Home / 418,739.29-577,855.89-227,752.63

Finding the Fourth Proportional to 418,739.29, 577,855.89 and 227,752.63

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Solution

The fourth proportional to 418,739.29, 577,855.89 and 227,752.63 is: 314,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,739.29 : 577,855.89 = 227,752.63 : x
  2. Step 2: Convert to fraction form
    418,739.29/577,855.89 = 227,752.63/x
  3. Step 3: Cross multiply
    418,739.29x = 577,855.89 × 227,752.63
  4. Step 4: Simplify right side
    418,739.29x = 131,608,197,263.85
  5. Step 5: Solve for x
    x = 131,608,197,263.85/418,739.29
  6. Step 6: Final answer
    x = 314,296.27

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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.