Home / 454,418.15-681,627.23-286,456.55

Finding the Fourth Proportional to 454,418.15, 681,627.23 and 286,456.55

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Solution

The fourth proportional to 454,418.15, 681,627.23 and 286,456.55 is: 429,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,418.15 : 681,627.23 = 286,456.55 : x
  2. Step 2: Convert to fraction form
    454,418.15/681,627.23 = 286,456.55/x
  3. Step 3: Cross multiply
    454,418.15x = 681,627.23 × 286,456.55
  4. Step 4: Simplify right side
    454,418.15x = 195,256,583,259.57
  5. Step 5: Solve for x
    x = 195,256,583,259.57/454,418.15
  6. Step 6: Final answer
    x = 429,684.83

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.