Home / 418,551.40-577,585.14-227,558.20

Finding the Fourth Proportional to 418,551.40, 577,585.14 and 227,558.20

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Solution

The fourth proportional to 418,551.40, 577,585.14 and 227,558.20 is: 314,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,551.40 : 577,585.14 = 227,558.20 : x
  2. Step 2: Convert to fraction form
    418,551.40/577,585.14 = 227,558.20/x
  3. Step 3: Cross multiply
    418,551.40x = 577,585.14 × 227,558.20
  4. Step 4: Simplify right side
    418,551.40x = 131,434,234,805.15
  5. Step 5: Solve for x
    x = 131,434,234,805.15/418,551.40
  6. Step 6: Final answer
    x = 314,021.73

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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.