Home / 645,180.20-965,927.10-571,452.20

Finding the Fourth Proportional to 645,180.20, 965,927.10 and 571,452.20

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Solution

The fourth proportional to 645,180.20, 965,927.10 and 571,452.20 is: 855,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,180.20 : 965,927.10 = 571,452.20 : x
  2. Step 2: Convert to fraction form
    645,180.20/965,927.10 = 571,452.20/x
  3. Step 3: Cross multiply
    645,180.20x = 965,927.10 × 571,452.20
  4. Step 4: Simplify right side
    645,180.20x = 551,981,166,334.62
  5. Step 5: Solve for x
    x = 551,981,166,334.62/645,180.20
  6. Step 6: Final answer
    x = 855,545.73

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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.