Home / 656,435.10-984,652.65-256,943.10

Finding the Fourth Proportional to 656,435.10, 984,652.65 and 256,943.10

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Solution

The fourth proportional to 656,435.10, 984,652.65 and 256,943.10 is: 385,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,435.10 : 984,652.65 = 256,943.10 : x
  2. Step 2: Convert to fraction form
    656,435.10/984,652.65 = 256,943.10/x
  3. Step 3: Cross multiply
    656,435.10x = 984,652.65 × 256,943.10
  4. Step 4: Simplify right side
    656,435.10x = 252,999,704,314.22
  5. Step 5: Solve for x
    x = 252,999,704,314.22/656,435.10
  6. Step 6: Final answer
    x = 385,414.65

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Similar ratio
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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.