Home / 498,280.13-687,626.39-271,925.63

Finding the Fourth Proportional to 498,280.13, 687,626.39 and 271,925.63

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Solution

The fourth proportional to 498,280.13, 687,626.39 and 271,925.63 is: 375,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,280.13 : 687,626.39 = 271,925.63 : x
  2. Step 2: Convert to fraction form
    498,280.13/687,626.39 = 271,925.63/x
  3. Step 3: Cross multiply
    498,280.13x = 687,626.39 × 271,925.63
  4. Step 4: Simplify right side
    498,280.13x = 186,983,239,305.38
  5. Step 5: Solve for x
    x = 186,983,239,305.38/498,280.13
  6. Step 6: Final answer
    x = 375,257.27

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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.