Home / 656,215.93-984,406.02-256,805.11

Finding the Fourth Proportional to 656,215.93, 984,406.02 and 256,805.11

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Solution

The fourth proportional to 656,215.93, 984,406.02 and 256,805.11 is: 385,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,215.93 : 984,406.02 = 256,805.11 : x
  2. Step 2: Convert to fraction form
    656,215.93/984,406.02 = 256,805.11/x
  3. Step 3: Cross multiply
    656,215.93x = 984,406.02 × 256,805.11
  4. Step 4: Simplify right side
    656,215.93x = 252,800,496,250.76
  5. Step 5: Solve for x
    x = 252,800,496,250.76/656,215.93
  6. Step 6: Final answer
    x = 385,239.80

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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.