Home / 656,221.46-984,414.27-256,810.64

Finding the Fourth Proportional to 656,221.46, 984,414.27 and 256,810.64

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Solution

The fourth proportional to 656,221.46, 984,414.27 and 256,810.64 is: 385,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,221.46 : 984,414.27 = 256,810.64 : x
  2. Step 2: Convert to fraction form
    656,221.46/984,414.27 = 256,810.64/x
  3. Step 3: Cross multiply
    656,221.46x = 984,414.27 × 256,810.64
  4. Step 4: Simplify right side
    656,221.46x = 252,808,058,703.83
  5. Step 5: Solve for x
    x = 252,808,058,703.83/656,221.46
  6. Step 6: Final answer
    x = 385,248.08

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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.