Home / 779,229.10-1,167,867.93-418,513.52

Finding the Fourth Proportional to 779,229.10, 1,167,867.93 and 418,513.52

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Solution

The fourth proportional to 779,229.10, 1,167,867.93 and 418,513.52 is: 627,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,229.10 : 1,167,867.93 = 418,513.52 : x
  2. Step 2: Convert to fraction form
    779,229.10/1,167,867.93 = 418,513.52/x
  3. Step 3: Cross multiply
    779,229.10x = 1,167,867.93 × 418,513.52
  4. Step 4: Simplify right side
    779,229.10x = 488,768,518,279.41
  5. Step 5: Solve for x
    x = 488,768,518,279.41/779,229.10
  6. Step 6: Final answer
    x = 627,246.23

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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.