Home / 1,258,519.20-1,887,160.68-538,759.14

Finding the Fourth Proportional to 1,258,519.20, 1,887,160.68 and 538,759.14

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Solution

The fourth proportional to 1,258,519.20, 1,887,160.68 and 538,759.14 is: 807,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,519.20 : 1,887,160.68 = 538,759.14 : x
  2. Step 2: Convert to fraction form
    1,258,519.20/1,887,160.68 = 538,759.14/x
  3. Step 3: Cross multiply
    1,258,519.20x = 1,887,160.68 × 538,759.14
  4. Step 4: Simplify right side
    1,258,519.20x = 1,016,725,064,998.62
  5. Step 5: Solve for x
    x = 1,016,725,064,998.62/1,258,519.20
  6. Step 6: Final answer
    x = 807,874.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.