Home / 656,225.46-984,420.28-256,814.64

Finding the Fourth Proportional to 656,225.46, 984,420.28 and 256,814.64

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Solution

The fourth proportional to 656,225.46, 984,420.28 and 256,814.64 is: 385,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,225.46 : 984,420.28 = 256,814.64 : x
  2. Step 2: Convert to fraction form
    656,225.46/984,420.28 = 256,814.64/x
  3. Step 3: Cross multiply
    656,225.46x = 984,420.28 × 256,814.64
  4. Step 4: Simplify right side
    656,225.46x = 252,813,539,816.90
  5. Step 5: Solve for x
    x = 252,813,539,816.90/656,225.46
  6. Step 6: Final answer
    x = 385,254.09

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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.