Home / 412,869.60-569,766.24-231,621.60

Finding the Fourth Proportional to 412,869.60, 569,766.24 and 231,621.60

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Solution

The fourth proportional to 412,869.60, 569,766.24 and 231,621.60 is: 319,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,869.60 : 569,766.24 = 231,621.60 : x
  2. Step 2: Convert to fraction form
    412,869.60/569,766.24 = 231,621.60/x
  3. Step 3: Cross multiply
    412,869.60x = 569,766.24 × 231,621.60
  4. Step 4: Simplify right side
    412,869.60x = 131,970,168,134.78
  5. Step 5: Solve for x
    x = 131,970,168,134.78/412,869.60
  6. Step 6: Final answer
    x = 319,641.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.