Home / 754,493.40-1,131,740.10-193,527.90

Finding the Fourth Proportional to 754,493.40, 1,131,740.10 and 193,527.90

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Solution

The fourth proportional to 754,493.40, 1,131,740.10 and 193,527.90 is: 290,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,493.40 : 1,131,740.10 = 193,527.90 : x
  2. Step 2: Convert to fraction form
    754,493.40/1,131,740.10 = 193,527.90/x
  3. Step 3: Cross multiply
    754,493.40x = 1,131,740.10 × 193,527.90
  4. Step 4: Simplify right side
    754,493.40x = 219,023,284,898.79
  5. Step 5: Solve for x
    x = 219,023,284,898.79/754,493.40
  6. Step 6: Final answer
    x = 290,291.85

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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.