Home / 1,098,565.74-1,515,775.52-663,053.74

Finding the Fourth Proportional to 1,098,565.74, 1,515,775.52 and 663,053.74

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Solution

The fourth proportional to 1,098,565.74, 1,515,775.52 and 663,053.74 is: 914,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,565.74 : 1,515,775.52 = 663,053.74 : x
  2. Step 2: Convert to fraction form
    1,098,565.74/1,515,775.52 = 663,053.74/x
  3. Step 3: Cross multiply
    1,098,565.74x = 1,515,775.52 × 663,053.74
  4. Step 4: Simplify right side
    1,098,565.74x = 1,005,040,625,404.64
  5. Step 5: Solve for x
    x = 1,005,040,625,404.64/1,098,565.74
  6. Step 6: Final answer
    x = 914,866.16

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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.