Home / 463,324.29-639,356.20-256,577.82

Finding the Fourth Proportional to 463,324.29, 639,356.20 and 256,577.82

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Solution

The fourth proportional to 463,324.29, 639,356.20 and 256,577.82 is: 354,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,324.29 : 639,356.20 = 256,577.82 : x
  2. Step 2: Convert to fraction form
    463,324.29/639,356.20 = 256,577.82/x
  3. Step 3: Cross multiply
    463,324.29x = 639,356.20 × 256,577.82
  4. Step 4: Simplify right side
    463,324.29x = 164,044,619,999.48
  5. Step 5: Solve for x
    x = 164,044,619,999.48/463,324.29
  6. Step 6: Final answer
    x = 354,060.05

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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.