Home / 922,109.91-1,272,517.20-514,237.52

Finding the Fourth Proportional to 922,109.91, 1,272,517.20 and 514,237.52

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Solution

The fourth proportional to 922,109.91, 1,272,517.20 and 514,237.52 is: 709,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,109.91 : 1,272,517.20 = 514,237.52 : x
  2. Step 2: Convert to fraction form
    922,109.91/1,272,517.20 = 514,237.52/x
  3. Step 3: Cross multiply
    922,109.91x = 1,272,517.20 × 514,237.52
  4. Step 4: Simplify right side
    922,109.91x = 654,376,082,722.76
  5. Step 5: Solve for x
    x = 654,376,082,722.76/922,109.91
  6. Step 6: Final answer
    x = 709,650.85

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Double scale
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1.5x scale

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.