Home / 412,439.32-569,188.56-231,209.46

Finding the Fourth Proportional to 412,439.32, 569,188.56 and 231,209.46

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Solution

The fourth proportional to 412,439.32, 569,188.56 and 231,209.46 is: 319,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,439.32 : 569,188.56 = 231,209.46 : x
  2. Step 2: Convert to fraction form
    412,439.32/569,188.56 = 231,209.46/x
  3. Step 3: Cross multiply
    412,439.32x = 569,188.56 × 231,209.46
  4. Step 4: Simplify right side
    412,439.32x = 131,601,779,595.78
  5. Step 5: Solve for x
    x = 131,601,779,595.78/412,439.32
  6. Step 6: Final answer
    x = 319,081.56

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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.