Home / 957,748.44-1,436,830.56-478,234.20

Finding the Fourth Proportional to 957,748.44, 1,436,830.56 and 478,234.20

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Solution

The fourth proportional to 957,748.44, 1,436,830.56 and 478,234.20 is: 717,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,748.44 : 1,436,830.56 = 478,234.20 : x
  2. Step 2: Convert to fraction form
    957,748.44/1,436,830.56 = 478,234.20/x
  3. Step 3: Cross multiply
    957,748.44x = 1,436,830.56 × 478,234.20
  4. Step 4: Simplify right side
    957,748.44x = 687,141,513,397.15
  5. Step 5: Solve for x
    x = 687,141,513,397.15/957,748.44
  6. Step 6: Final answer
    x = 717,455.11

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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.