Home / 541,581.39-812,449.85-186,500.07

Finding the Fourth Proportional to 541,581.39, 812,449.85 and 186,500.07

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Solution

The fourth proportional to 541,581.39, 812,449.85 and 186,500.07 is: 279,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,581.39 : 812,449.85 = 186,500.07 : x
  2. Step 2: Convert to fraction form
    541,581.39/812,449.85 = 186,500.07/x
  3. Step 3: Cross multiply
    541,581.39x = 812,449.85 × 186,500.07
  4. Step 4: Simplify right side
    541,581.39x = 151,521,952,963.99
  5. Step 5: Solve for x
    x = 151,521,952,963.99/541,581.39
  6. Step 6: Final answer
    x = 279,776.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.