Home / 762,472.20-1,142,396.10-496,095.60

Finding the Fourth Proportional to 762,472.20, 1,142,396.10 and 496,095.60

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Solution

The fourth proportional to 762,472.20, 1,142,396.10 and 496,095.60 is: 743,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,472.20 : 1,142,396.10 = 496,095.60 : x
  2. Step 2: Convert to fraction form
    762,472.20/1,142,396.10 = 496,095.60/x
  3. Step 3: Cross multiply
    762,472.20x = 1,142,396.10 × 496,095.60
  4. Step 4: Simplify right side
    762,472.20x = 566,737,678,667.16
  5. Step 5: Solve for x
    x = 566,737,678,667.16/762,472.20
  6. Step 6: Final answer
    x = 743,289.63

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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.