Home / 917,728.92-1,377,433.82-468,764.55

Finding the Fourth Proportional to 917,728.92, 1,377,433.82 and 468,764.55

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Solution

The fourth proportional to 917,728.92, 1,377,433.82 and 468,764.55 is: 703,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,728.92 : 1,377,433.82 = 468,764.55 : x
  2. Step 2: Convert to fraction form
    917,728.92/1,377,433.82 = 468,764.55/x
  3. Step 3: Cross multiply
    917,728.92x = 1,377,433.82 × 468,764.55
  4. Step 4: Simplify right side
    917,728.92x = 645,692,145,958.99
  5. Step 5: Solve for x
    x = 645,692,145,958.99/917,728.92
  6. Step 6: Final answer
    x = 703,576.11

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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.