Home / 418,767.20-577,908.24-227,790.80

Finding the Fourth Proportional to 418,767.20, 577,908.24 and 227,790.80

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Solution

The fourth proportional to 418,767.20, 577,908.24 and 227,790.80 is: 314,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,767.20 : 577,908.24 = 227,790.80 : x
  2. Step 2: Convert to fraction form
    418,767.20/577,908.24 = 227,790.80/x
  3. Step 3: Cross multiply
    418,767.20x = 577,908.24 × 227,790.80
  4. Step 4: Simplify right side
    418,767.20x = 131,642,180,316.19
  5. Step 5: Solve for x
    x = 131,642,180,316.19/418,767.20
  6. Step 6: Final answer
    x = 314,356.47

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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.