Home / 627,531.10-865,999.61-341,051.20

Finding the Fourth Proportional to 627,531.10, 865,999.61 and 341,051.20

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Solution

The fourth proportional to 627,531.10, 865,999.61 and 341,051.20 is: 470,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,531.10 : 865,999.61 = 341,051.20 : x
  2. Step 2: Convert to fraction form
    627,531.10/865,999.61 = 341,051.20/x
  3. Step 3: Cross multiply
    627,531.10x = 865,999.61 × 341,051.20
  4. Step 4: Simplify right side
    627,531.10x = 295,350,204,484.78
  5. Step 5: Solve for x
    x = 295,350,204,484.78/627,531.10
  6. Step 6: Final answer
    x = 470,654.29

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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.