Home / 854,420.10-1,281,630.15-223,397.70

Finding the Fourth Proportional to 854,420.10, 1,281,630.15 and 223,397.70

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Solution

The fourth proportional to 854,420.10, 1,281,630.15 and 223,397.70 is: 335,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,420.10 : 1,281,630.15 = 223,397.70 : x
  2. Step 2: Convert to fraction form
    854,420.10/1,281,630.15 = 223,397.70/x
  3. Step 3: Cross multiply
    854,420.10x = 1,281,630.15 × 223,397.70
  4. Step 4: Simplify right side
    854,420.10x = 286,313,227,760.66
  5. Step 5: Solve for x
    x = 286,313,227,760.66/854,420.10
  6. Step 6: Final answer
    x = 335,096.55

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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.