Home / 1,134,616.80-1,565,744.20-618,387

Finding the Fourth Proportional to 1,134,616.80, 1,565,744.20 and 618,387

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Solution

The fourth proportional to 1,134,616.80, 1,565,744.20 and 618,387 is: 853,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,616.80 : 1,565,744.20 = 618,387 : x
  2. Step 2: Convert to fraction form
    1,134,616.80/1,565,744.20 = 618,387/x
  3. Step 3: Cross multiply
    1,134,616.80x = 1,565,744.20 × 618,387
  4. Step 4: Simplify right side
    1,134,616.80x = 968,235,858,605.40
  5. Step 5: Solve for x
    x = 968,235,858,605.40/1,134,616.80
  6. Step 6: Final answer
    x = 853,359.35

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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.