Home / 1,031,039.28-1,422,843.06-572,184.81

Finding the Fourth Proportional to 1,031,039.28, 1,422,843.06 and 572,184.81

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Solution

The fourth proportional to 1,031,039.28, 1,422,843.06 and 572,184.81 is: 789,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,039.28 : 1,422,843.06 = 572,184.81 : x
  2. Step 2: Convert to fraction form
    1,031,039.28/1,422,843.06 = 572,184.81/x
  3. Step 3: Cross multiply
    1,031,039.28x = 1,422,843.06 × 572,184.81
  4. Step 4: Simplify right side
    1,031,039.28x = 814,129,188,091.61
  5. Step 5: Solve for x
    x = 814,129,188,091.61/1,031,039.28
  6. Step 6: Final answer
    x = 789,619.95

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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.