Home / 749,773.20-1,124,805.60-217,311.60

Finding the Fourth Proportional to 749,773.20, 1,124,805.60 and 217,311.60

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Solution

The fourth proportional to 749,773.20, 1,124,805.60 and 217,311.60 is: 326,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,773.20 : 1,124,805.60 = 217,311.60 : x
  2. Step 2: Convert to fraction form
    749,773.20/1,124,805.60 = 217,311.60/x
  3. Step 3: Cross multiply
    749,773.20x = 1,124,805.60 × 217,311.60
  4. Step 4: Simplify right side
    749,773.20x = 244,433,304,624.96
  5. Step 5: Solve for x
    x = 244,433,304,624.96/749,773.20
  6. Step 6: Final answer
    x = 326,009.66

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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.