Home / 1,102,182.59-1,520,927.98-618,654.30

Finding the Fourth Proportional to 1,102,182.59, 1,520,927.98 and 618,654.30

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Solution

The fourth proportional to 1,102,182.59, 1,520,927.98 and 618,654.30 is: 853,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,182.59 : 1,520,927.98 = 618,654.30 : x
  2. Step 2: Convert to fraction form
    1,102,182.59/1,520,927.98 = 618,654.30/x
  3. Step 3: Cross multiply
    1,102,182.59x = 1,520,927.98 × 618,654.30
  4. Step 4: Simplify right side
    1,102,182.59x = 940,928,637,862.38
  5. Step 5: Solve for x
    x = 940,928,637,862.38/1,102,182.59
  6. Step 6: Final answer
    x = 853,695.79

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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.