Home / 412,845.76-569,681.61-231,520.38

Finding the Fourth Proportional to 412,845.76, 569,681.61 and 231,520.38

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Solution

The fourth proportional to 412,845.76, 569,681.61 and 231,520.38 is: 319,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,845.76 : 569,681.61 = 231,520.38 : x
  2. Step 2: Convert to fraction form
    412,845.76/569,681.61 = 231,520.38/x
  3. Step 3: Cross multiply
    412,845.76x = 569,681.61 × 231,520.38
  4. Step 4: Simplify right side
    412,845.76x = 131,892,899,821.70
  5. Step 5: Solve for x
    x = 131,892,899,821.70/412,845.76
  6. Step 6: Final answer
    x = 319,472.58

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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.