Home / 418,545.26-577,598.15-227,558.20

Finding the Fourth Proportional to 418,545.26, 577,598.15 and 227,558.20

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Solution

The fourth proportional to 418,545.26, 577,598.15 and 227,558.20 is: 314,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,545.26 : 577,598.15 = 227,558.20 : x
  2. Step 2: Convert to fraction form
    418,545.26/577,598.15 = 227,558.20/x
  3. Step 3: Cross multiply
    418,545.26x = 577,598.15 × 227,558.20
  4. Step 4: Simplify right side
    418,545.26x = 131,437,191,311.55
  5. Step 5: Solve for x
    x = 131,437,191,311.55/418,545.26
  6. Step 6: Final answer
    x = 314,033.40

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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.