Home / 282,823.60-424,235.40-271,937.20

Finding the Fourth Proportional to 282,823.60, 424,235.40 and 271,937.20

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Solution

The fourth proportional to 282,823.60, 424,235.40 and 271,937.20 is: 407,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,823.60 : 424,235.40 = 271,937.20 : x
  2. Step 2: Convert to fraction form
    282,823.60/424,235.40 = 271,937.20/x
  3. Step 3: Cross multiply
    282,823.60x = 424,235.40 × 271,937.20
  4. Step 4: Simplify right side
    282,823.60x = 115,365,386,816.88
  5. Step 5: Solve for x
    x = 115,365,386,816.88/282,823.60
  6. Step 6: Final answer
    x = 407,905.80

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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.