Home / 927,543.20-1,391,314.80-455,151.20

Finding the Fourth Proportional to 927,543.20, 1,391,314.80 and 455,151.20

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Solution

The fourth proportional to 927,543.20, 1,391,314.80 and 455,151.20 is: 682,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,543.20 : 1,391,314.80 = 455,151.20 : x
  2. Step 2: Convert to fraction form
    927,543.20/1,391,314.80 = 455,151.20/x
  3. Step 3: Cross multiply
    927,543.20x = 1,391,314.80 × 455,151.20
  4. Step 4: Simplify right side
    927,543.20x = 633,258,600,797.76
  5. Step 5: Solve for x
    x = 633,258,600,797.76/927,543.20
  6. Step 6: Final answer
    x = 682,726.80

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Similar ratio
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1.5x scale

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.