Home / 928,491.62-1,392,861.36-367,394.90

Finding the Fourth Proportional to 928,491.62, 1,392,861.36 and 367,394.90

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Solution

The fourth proportional to 928,491.62, 1,392,861.36 and 367,394.90 is: 551,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,491.62 : 1,392,861.36 = 367,394.90 : x
  2. Step 2: Convert to fraction form
    928,491.62/1,392,861.36 = 367,394.90/x
  3. Step 3: Cross multiply
    928,491.62x = 1,392,861.36 × 367,394.90
  4. Step 4: Simplify right side
    928,491.62x = 511,730,153,106.76
  5. Step 5: Solve for x
    x = 511,730,153,106.76/928,491.62
  6. Step 6: Final answer
    x = 551,141.38

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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.