Home / 857,696.50-1,182,846.27-535,436.38

Finding the Fourth Proportional to 857,696.50, 1,182,846.27 and 535,436.38

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Solution

The fourth proportional to 857,696.50, 1,182,846.27 and 535,436.38 is: 738,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,696.50 : 1,182,846.27 = 535,436.38 : x
  2. Step 2: Convert to fraction form
    857,696.50/1,182,846.27 = 535,436.38/x
  3. Step 3: Cross multiply
    857,696.50x = 1,182,846.27 × 535,436.38
  4. Step 4: Simplify right side
    857,696.50x = 633,338,924,905.30
  5. Step 5: Solve for x
    x = 633,338,924,905.30/857,696.50
  6. Step 6: Final answer
    x = 738,418.46

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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.