Home / 755,411.68-1,042,645.44-433,115.92

Finding the Fourth Proportional to 755,411.68, 1,042,645.44 and 433,115.92

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Solution

The fourth proportional to 755,411.68, 1,042,645.44 and 433,115.92 is: 597,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,411.68 : 1,042,645.44 = 433,115.92 : x
  2. Step 2: Convert to fraction form
    755,411.68/1,042,645.44 = 433,115.92/x
  3. Step 3: Cross multiply
    755,411.68x = 1,042,645.44 × 433,115.92
  4. Step 4: Simplify right side
    755,411.68x = 451,586,338,979.41
  5. Step 5: Solve for x
    x = 451,586,338,979.41/755,411.68
  6. Step 6: Final answer
    x = 597,801.64

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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.