Home / 922,060.50-1,272,450.72-514,188.76

Finding the Fourth Proportional to 922,060.50, 1,272,450.72 and 514,188.76

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Solution

The fourth proportional to 922,060.50, 1,272,450.72 and 514,188.76 is: 709,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,060.50 : 1,272,450.72 = 514,188.76 : x
  2. Step 2: Convert to fraction form
    922,060.50/1,272,450.72 = 514,188.76/x
  3. Step 3: Cross multiply
    922,060.50x = 1,272,450.72 × 514,188.76
  4. Step 4: Simplify right side
    922,060.50x = 654,279,851,515.65
  5. Step 5: Solve for x
    x = 654,279,851,515.65/922,060.50
  6. Step 6: Final answer
    x = 709,584.51

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Double scale
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Similar ratio
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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.