Home / 1,271,765.88-1,906,977.06-561,458.52

Finding the Fourth Proportional to 1,271,765.88, 1,906,977.06 and 561,458.52

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Solution

The fourth proportional to 1,271,765.88, 1,906,977.06 and 561,458.52 is: 841,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,765.88 : 1,906,977.06 = 561,458.52 : x
  2. Step 2: Convert to fraction form
    1,271,765.88/1,906,977.06 = 561,458.52/x
  3. Step 3: Cross multiply
    1,271,765.88x = 1,906,977.06 × 561,458.52
  4. Step 4: Simplify right side
    1,271,765.88x = 1,070,688,517,781.55
  5. Step 5: Solve for x
    x = 1,070,688,517,781.55/1,271,765.88
  6. Step 6: Final answer
    x = 841,891.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.