Home / 1,287,926.24-1,777,249.14-714,921.30

Finding the Fourth Proportional to 1,287,926.24, 1,777,249.14 and 714,921.30

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Solution

The fourth proportional to 1,287,926.24, 1,777,249.14 and 714,921.30 is: 986,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,926.24 : 1,777,249.14 = 714,921.30 : x
  2. Step 2: Convert to fraction form
    1,287,926.24/1,777,249.14 = 714,921.30/x
  3. Step 3: Cross multiply
    1,287,926.24x = 1,777,249.14 × 714,921.30
  4. Step 4: Simplify right side
    1,287,926.24x = 1,270,593,265,592.68
  5. Step 5: Solve for x
    x = 1,270,593,265,592.68/1,287,926.24
  6. Step 6: Final answer
    x = 986,541.95

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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.