Home / 475,830.10-656,642.46-271,943.38

Finding the Fourth Proportional to 475,830.10, 656,642.46 and 271,943.38

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Solution

The fourth proportional to 475,830.10, 656,642.46 and 271,943.38 is: 375,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,830.10 : 656,642.46 = 271,943.38 : x
  2. Step 2: Convert to fraction form
    475,830.10/656,642.46 = 271,943.38/x
  3. Step 3: Cross multiply
    475,830.10x = 656,642.46 × 271,943.38
  4. Step 4: Simplify right side
    475,830.10x = 178,569,570,023.92
  5. Step 5: Solve for x
    x = 178,569,570,023.92/475,830.10
  6. Step 6: Final answer
    x = 375,280.11

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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.