Home / 931,717.45-1,285,740.30-523,836.55

Finding the Fourth Proportional to 931,717.45, 1,285,740.30 and 523,836.55

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Solution

The fourth proportional to 931,717.45, 1,285,740.30 and 523,836.55 is: 722,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,717.45 : 1,285,740.30 = 523,836.55 : x
  2. Step 2: Convert to fraction form
    931,717.45/1,285,740.30 = 523,836.55/x
  3. Step 3: Cross multiply
    931,717.45x = 1,285,740.30 × 523,836.55
  4. Step 4: Simplify right side
    931,717.45x = 673,517,762,947.97
  5. Step 5: Solve for x
    x = 673,517,762,947.97/931,717.45
  6. Step 6: Final answer
    x = 722,877.70

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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.