Home / 656,934.10-985,316.43-207,700.60

Finding the Fourth Proportional to 656,934.10, 985,316.43 and 207,700.60

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Solution

The fourth proportional to 656,934.10, 985,316.43 and 207,700.60 is: 311,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,934.10 : 985,316.43 = 207,700.60 : x
  2. Step 2: Convert to fraction form
    656,934.10/985,316.43 = 207,700.60/x
  3. Step 3: Cross multiply
    656,934.10x = 985,316.43 × 207,700.60
  4. Step 4: Simplify right side
    656,934.10x = 204,650,813,700.86
  5. Step 5: Solve for x
    x = 204,650,813,700.86/656,934.10
  6. Step 6: Final answer
    x = 311,524.11

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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.