Home / 412,531.16-569,327.82-231,240.20

Finding the Fourth Proportional to 412,531.16, 569,327.82 and 231,240.20

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Solution

The fourth proportional to 412,531.16, 569,327.82 and 231,240.20 is: 319,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,531.16 : 569,327.82 = 231,240.20 : x
  2. Step 2: Convert to fraction form
    412,531.16/569,327.82 = 231,240.20/x
  3. Step 3: Cross multiply
    412,531.16x = 569,327.82 × 231,240.20
  4. Step 4: Simplify right side
    412,531.16x = 131,651,478,962.36
  5. Step 5: Solve for x
    x = 131,651,478,962.36/412,531.16
  6. Step 6: Final answer
    x = 319,130.99

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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.