Home / 754,002.81-1,131,373.17-354,683.88

Finding the Fourth Proportional to 754,002.81, 1,131,373.17 and 354,683.88

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Solution

The fourth proportional to 754,002.81, 1,131,373.17 and 354,683.88 is: 532,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,002.81 : 1,131,373.17 = 354,683.88 : x
  2. Step 2: Convert to fraction form
    754,002.81/1,131,373.17 = 354,683.88/x
  3. Step 3: Cross multiply
    754,002.81x = 1,131,373.17 × 354,683.88
  4. Step 4: Simplify right side
    754,002.81x = 401,279,825,663.50
  5. Step 5: Solve for x
    x = 401,279,825,663.50/754,002.81
  6. Step 6: Final answer
    x = 532,199.38

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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.