Home / 414,728.15-572,418.18-271,405.16

Finding the Fourth Proportional to 414,728.15, 572,418.18 and 271,405.16

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Solution

The fourth proportional to 414,728.15, 572,418.18 and 271,405.16 is: 374,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,728.15 : 572,418.18 = 271,405.16 : x
  2. Step 2: Convert to fraction form
    414,728.15/572,418.18 = 271,405.16/x
  3. Step 3: Cross multiply
    414,728.15x = 572,418.18 × 271,405.16
  4. Step 4: Simplify right side
    414,728.15x = 155,357,244,867.72
  5. Step 5: Solve for x
    x = 155,357,244,867.72/414,728.15
  6. Step 6: Final answer
    x = 374,600.19

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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.