Home / 749,849.20-1,124,773.80-188,883.70

Finding the Fourth Proportional to 749,849.20, 1,124,773.80 and 188,883.70

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Solution

The fourth proportional to 749,849.20, 1,124,773.80 and 188,883.70 is: 283,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,849.20 : 1,124,773.80 = 188,883.70 : x
  2. Step 2: Convert to fraction form
    749,849.20/1,124,773.80 = 188,883.70/x
  3. Step 3: Cross multiply
    749,849.20x = 1,124,773.80 × 188,883.70
  4. Step 4: Simplify right side
    749,849.20x = 212,451,437,007.06
  5. Step 5: Solve for x
    x = 212,451,437,007.06/749,849.20
  6. Step 6: Final answer
    x = 283,325.55

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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.