Home / 736,080.38-1,015,795.19-413,787.66

Finding the Fourth Proportional to 736,080.38, 1,015,795.19 and 413,787.66

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Solution

The fourth proportional to 736,080.38, 1,015,795.19 and 413,787.66 is: 571,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,080.38 : 1,015,795.19 = 413,787.66 : x
  2. Step 2: Convert to fraction form
    736,080.38/1,015,795.19 = 413,787.66/x
  3. Step 3: Cross multiply
    736,080.38x = 1,015,795.19 × 413,787.66
  4. Step 4: Simplify right side
    736,080.38x = 420,323,515,743.83
  5. Step 5: Solve for x
    x = 420,323,515,743.83/736,080.38
  6. Step 6: Final answer
    x = 571,029.37

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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.