Home / 861,226.20-1,188,622.77-517,252.07

Finding the Fourth Proportional to 861,226.20, 1,188,622.77 and 517,252.07

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Solution

The fourth proportional to 861,226.20, 1,188,622.77 and 517,252.07 is: 713,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,226.20 : 1,188,622.77 = 517,252.07 : x
  2. Step 2: Convert to fraction form
    861,226.20/1,188,622.77 = 517,252.07/x
  3. Step 3: Cross multiply
    861,226.20x = 1,188,622.77 × 517,252.07
  4. Step 4: Simplify right side
    861,226.20x = 614,817,582,288.52
  5. Step 5: Solve for x
    x = 614,817,582,288.52/861,226.20
  6. Step 6: Final answer
    x = 713,886.30

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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.