Home / 656,420.94-984,631.41-207,176.76

Finding the Fourth Proportional to 656,420.94, 984,631.41 and 207,176.76

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Solution

The fourth proportional to 656,420.94, 984,631.41 and 207,176.76 is: 310,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,420.94 : 984,631.41 = 207,176.76 : x
  2. Step 2: Convert to fraction form
    656,420.94/984,631.41 = 207,176.76/x
  3. Step 3: Cross multiply
    656,420.94x = 984,631.41 × 207,176.76
  4. Step 4: Simplify right side
    656,420.94x = 203,992,745,318.03
  5. Step 5: Solve for x
    x = 203,992,745,318.03/656,420.94
  6. Step 6: Final answer
    x = 310,765.14

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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.