Home / 417,839.79-576,618.88-226,853.20

Finding the Fourth Proportional to 417,839.79, 576,618.88 and 226,853.20

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Solution

The fourth proportional to 417,839.79, 576,618.88 and 226,853.20 is: 313,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,839.79 : 576,618.88 = 226,853.20 : x
  2. Step 2: Convert to fraction form
    417,839.79/576,618.88 = 226,853.20/x
  3. Step 3: Cross multiply
    417,839.79x = 576,618.88 × 226,853.20
  4. Step 4: Simplify right side
    417,839.79x = 130,807,838,108.42
  5. Step 5: Solve for x
    x = 130,807,838,108.42/417,839.79
  6. Step 6: Final answer
    x = 313,057.40

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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.