Home / 656,836.20-985,248.40-207,557.14

Finding the Fourth Proportional to 656,836.20, 985,248.40 and 207,557.14

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Solution

The fourth proportional to 656,836.20, 985,248.40 and 207,557.14 is: 311,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,836.20 : 985,248.40 = 207,557.14 : x
  2. Step 2: Convert to fraction form
    656,836.20/985,248.40 = 207,557.14/x
  3. Step 3: Cross multiply
    656,836.20x = 985,248.40 × 207,557.14
  4. Step 4: Simplify right side
    656,836.20x = 204,495,340,093.58
  5. Step 5: Solve for x
    x = 204,495,340,093.58/656,836.20
  6. Step 6: Final answer
    x = 311,333.85

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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.