Home / 922,176.90-1,272,601.60-514,279.17

Finding the Fourth Proportional to 922,176.90, 1,272,601.60 and 514,279.17

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Solution

The fourth proportional to 922,176.90, 1,272,601.60 and 514,279.17 is: 709,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,176.90 : 1,272,601.60 = 514,279.17 : x
  2. Step 2: Convert to fraction form
    922,176.90/1,272,601.60 = 514,279.17/x
  3. Step 3: Cross multiply
    922,176.90x = 1,272,601.60 × 514,279.17
  4. Step 4: Simplify right side
    922,176.90x = 654,472,493,302.97
  5. Step 5: Solve for x
    x = 654,472,493,302.97/922,176.90
  6. Step 6: Final answer
    x = 709,703.85

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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.