Home / 282,821.60-424,232.40-271,935.20

Finding the Fourth Proportional to 282,821.60, 424,232.40 and 271,935.20

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Solution

The fourth proportional to 282,821.60, 424,232.40 and 271,935.20 is: 407,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,821.60 : 424,232.40 = 271,935.20 : x
  2. Step 2: Convert to fraction form
    282,821.60/424,232.40 = 271,935.20/x
  3. Step 3: Cross multiply
    282,821.60x = 424,232.40 × 271,935.20
  4. Step 4: Simplify right side
    282,821.60x = 115,363,722,540.48
  5. Step 5: Solve for x
    x = 115,363,722,540.48/282,821.60
  6. Step 6: Final answer
    x = 407,902.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.