Home / 662,660.31-914,447.21-404,968.38

Finding the Fourth Proportional to 662,660.31, 914,447.21 and 404,968.38

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Solution

The fourth proportional to 662,660.31, 914,447.21 and 404,968.38 is: 558,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,660.31 : 914,447.21 = 404,968.38 : x
  2. Step 2: Convert to fraction form
    662,660.31/914,447.21 = 404,968.38/x
  3. Step 3: Cross multiply
    662,660.31x = 914,447.21 × 404,968.38
  4. Step 4: Simplify right side
    662,660.31x = 370,322,205,229.22
  5. Step 5: Solve for x
    x = 370,322,205,229.22/662,660.31
  6. Step 6: Final answer
    x = 558,841.69

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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.