Home / 412,531.02-569,319.12-231,243.03

Finding the Fourth Proportional to 412,531.02, 569,319.12 and 231,243.03

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Solution

The fourth proportional to 412,531.02, 569,319.12 and 231,243.03 is: 319,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,531.02 : 569,319.12 = 231,243.03 : x
  2. Step 2: Convert to fraction form
    412,531.02/569,319.12 = 231,243.03/x
  3. Step 3: Cross multiply
    412,531.02x = 569,319.12 × 231,243.03
  4. Step 4: Simplify right side
    412,531.02x = 131,651,078,345.73
  5. Step 5: Solve for x
    x = 131,651,078,345.73/412,531.02
  6. Step 6: Final answer
    x = 319,130.13

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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.