Home / 656,541.87-984,898.92-257,130.74

Finding the Fourth Proportional to 656,541.87, 984,898.92 and 257,130.74

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Solution

The fourth proportional to 656,541.87, 984,898.92 and 257,130.74 is: 385,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,541.87 : 984,898.92 = 257,130.74 : x
  2. Step 2: Convert to fraction form
    656,541.87/984,898.92 = 257,130.74/x
  3. Step 3: Cross multiply
    656,541.87x = 984,898.92 × 257,130.74
  4. Step 4: Simplify right side
    656,541.87x = 253,247,783,200.31
  5. Step 5: Solve for x
    x = 253,247,783,200.31/656,541.87
  6. Step 6: Final answer
    x = 385,729.83

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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.