Home / 418,719.38-577,586.50-248,943.38

Finding the Fourth Proportional to 418,719.38, 577,586.50 and 248,943.38

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Solution

The fourth proportional to 418,719.38, 577,586.50 and 248,943.38 is: 343,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,719.38 : 577,586.50 = 248,943.38 : x
  2. Step 2: Convert to fraction form
    418,719.38/577,586.50 = 248,943.38/x
  3. Step 3: Cross multiply
    418,719.38x = 577,586.50 × 248,943.38
  4. Step 4: Simplify right side
    418,719.38x = 143,786,332,042.08
  5. Step 5: Solve for x
    x = 143,786,332,042.08/418,719.38
  6. Step 6: Final answer
    x = 343,395.46

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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.