Home / 957,188.80-1,435,783.20-478,891.90

Finding the Fourth Proportional to 957,188.80, 1,435,783.20 and 478,891.90

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Solution

The fourth proportional to 957,188.80, 1,435,783.20 and 478,891.90 is: 718,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,188.80 : 1,435,783.20 = 478,891.90 : x
  2. Step 2: Convert to fraction form
    957,188.80/1,435,783.20 = 478,891.90/x
  3. Step 3: Cross multiply
    957,188.80x = 1,435,783.20 × 478,891.90
  4. Step 4: Simplify right side
    957,188.80x = 687,584,944,636.08
  5. Step 5: Solve for x
    x = 687,584,944,636.08/957,188.80
  6. Step 6: Final answer
    x = 718,337.85

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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.