Home / 656,384.10-984,284.55-256,892.10

Finding the Fourth Proportional to 656,384.10, 984,284.55 and 256,892.10

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Solution

The fourth proportional to 656,384.10, 984,284.55 and 256,892.10 is: 385,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,384.10 : 984,284.55 = 256,892.10 : x
  2. Step 2: Convert to fraction form
    656,384.10/984,284.55 = 256,892.10/x
  3. Step 3: Cross multiply
    656,384.10x = 984,284.55 × 256,892.10
  4. Step 4: Simplify right side
    656,384.10x = 252,854,925,047.06
  5. Step 5: Solve for x
    x = 252,854,925,047.06/656,384.10
  6. Step 6: Final answer
    x = 385,224.03

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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.