Home / 463,107.60-639,214.20-272,182.32

Finding the Fourth Proportional to 463,107.60, 639,214.20 and 272,182.32

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Solution

The fourth proportional to 463,107.60, 639,214.20 and 272,182.32 is: 375,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,107.60 : 639,214.20 = 272,182.32 : x
  2. Step 2: Convert to fraction form
    463,107.60/639,214.20 = 272,182.32/x
  3. Step 3: Cross multiply
    463,107.60x = 639,214.20 × 272,182.32
  4. Step 4: Simplify right side
    463,107.60x = 173,982,803,932.94
  5. Step 5: Solve for x
    x = 173,982,803,932.94/463,107.60
  6. Step 6: Final answer
    x = 375,685.49

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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.