Home / 1,065,091.92-1,598,431.29-781,515.24

Finding the Fourth Proportional to 1,065,091.92, 1,598,431.29 and 781,515.24

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Solution

The fourth proportional to 1,065,091.92, 1,598,431.29 and 781,515.24 is: 1,172,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,091.92 : 1,598,431.29 = 781,515.24 : x
  2. Step 2: Convert to fraction form
    1,065,091.92/1,598,431.29 = 781,515.24/x
  3. Step 3: Cross multiply
    1,065,091.92x = 1,598,431.29 × 781,515.24
  4. Step 4: Simplify right side
    1,065,091.92x = 1,249,198,413,227.86
  5. Step 5: Solve for x
    x = 1,249,198,413,227.86/1,065,091.92
  6. Step 6: Final answer
    x = 1,172,855.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.