Home / 864,077.80-1,192,308.84-482,030.80

Finding the Fourth Proportional to 864,077.80, 1,192,308.84 and 482,030.80

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Solution

The fourth proportional to 864,077.80, 1,192,308.84 and 482,030.80 is: 665,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,077.80 : 1,192,308.84 = 482,030.80 : x
  2. Step 2: Convert to fraction form
    864,077.80/1,192,308.84 = 482,030.80/x
  3. Step 3: Cross multiply
    864,077.80x = 1,192,308.84 × 482,030.80
  4. Step 4: Simplify right side
    864,077.80x = 574,729,583,992.27
  5. Step 5: Solve for x
    x = 574,729,583,992.27/864,077.80
  6. Step 6: Final answer
    x = 665,136.38

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Double scale
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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.