Home / 928,568.83-1,278,160.82-813,576.37

Finding the Fourth Proportional to 928,568.83, 1,278,160.82 and 813,576.37

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Solution

The fourth proportional to 928,568.83, 1,278,160.82 and 813,576.37 is: 1,119,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,568.83 : 1,278,160.82 = 813,576.37 : x
  2. Step 2: Convert to fraction form
    928,568.83/1,278,160.82 = 813,576.37/x
  3. Step 3: Cross multiply
    928,568.83x = 1,278,160.82 × 813,576.37
  4. Step 4: Simplify right side
    928,568.83x = 1,039,881,436,143.94
  5. Step 5: Solve for x
    x = 1,039,881,436,143.94/928,568.83
  6. Step 6: Final answer
    x = 1,119,875.45

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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.