Home / 864,510.76-1,193,042.82-482,553.64

Finding the Fourth Proportional to 864,510.76, 1,193,042.82 and 482,553.64

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Solution

The fourth proportional to 864,510.76, 1,193,042.82 and 482,553.64 is: 665,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,510.76 : 1,193,042.82 = 482,553.64 : x
  2. Step 2: Convert to fraction form
    864,510.76/1,193,042.82 = 482,553.64/x
  3. Step 3: Cross multiply
    864,510.76x = 1,193,042.82 × 482,553.64
  4. Step 4: Simplify right side
    864,510.76x = 575,707,155,466.87
  5. Step 5: Solve for x
    x = 575,707,155,466.87/864,510.76
  6. Step 6: Final answer
    x = 665,934.05

Related Problems

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Half scale
Find fourth proportional to 1,729,021.52, 2,386,085.64 and 965,107.28
Double scale
Find fourth proportional to 864,511.76, 1,193,044.20 and 482,554.64
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.