Home / 418,281.11-577,227.49-227,294.04

Finding the Fourth Proportional to 418,281.11, 577,227.49 and 227,294.04

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Solution

The fourth proportional to 418,281.11, 577,227.49 and 227,294.04 is: 313,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,281.11 : 577,227.49 = 227,294.04 : x
  2. Step 2: Convert to fraction form
    418,281.11/577,227.49 = 227,294.04/x
  3. Step 3: Cross multiply
    418,281.11x = 577,227.49 × 227,294.04
  4. Step 4: Simplify right side
    418,281.11x = 131,200,367,064.69
  5. Step 5: Solve for x
    x = 131,200,367,064.69/418,281.11
  6. Step 6: Final answer
    x = 313,665.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.