Home / 627,517.40-865,980.68-341,037.45

Finding the Fourth Proportional to 627,517.40, 865,980.68 and 341,037.45

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Solution

The fourth proportional to 627,517.40, 865,980.68 and 341,037.45 is: 470,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,517.40 : 865,980.68 = 341,037.45 : x
  2. Step 2: Convert to fraction form
    627,517.40/865,980.68 = 341,037.45/x
  3. Step 3: Cross multiply
    627,517.40x = 865,980.68 × 341,037.45
  4. Step 4: Simplify right side
    627,517.40x = 295,331,841,151.28
  5. Step 5: Solve for x
    x = 295,331,841,151.28/627,517.40
  6. Step 6: Final answer
    x = 470,635.31

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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.