Home / 1,105,761.60-1,526,000.13-622,358.10

Finding the Fourth Proportional to 1,105,761.60, 1,526,000.13 and 622,358.10

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Solution

The fourth proportional to 1,105,761.60, 1,526,000.13 and 622,358.10 is: 858,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,761.60 : 1,526,000.13 = 622,358.10 : x
  2. Step 2: Convert to fraction form
    1,105,761.60/1,526,000.13 = 622,358.10/x
  3. Step 3: Cross multiply
    1,105,761.60x = 1,526,000.13 × 622,358.10
  4. Step 4: Simplify right side
    1,105,761.60x = 949,718,541,506.55
  5. Step 5: Solve for x
    x = 949,718,541,506.55/1,105,761.60
  6. Step 6: Final answer
    x = 858,881.83

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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.