Home / 418,178.72-577,089.40-227,192.06

Finding the Fourth Proportional to 418,178.72, 577,089.40 and 227,192.06

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Solution

The fourth proportional to 418,178.72, 577,089.40 and 227,192.06 is: 313,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,178.72 : 577,089.40 = 227,192.06 : x
  2. Step 2: Convert to fraction form
    418,178.72/577,089.40 = 227,192.06/x
  3. Step 3: Cross multiply
    418,178.72x = 577,089.40 × 227,192.06
  4. Step 4: Simplify right side
    418,178.72x = 131,110,129,590.16
  5. Step 5: Solve for x
    x = 131,110,129,590.16/418,178.72
  6. Step 6: Final answer
    x = 313,526.55

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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.