Home / 1,205,040.24-1,662,899.40-661,163.76

Finding the Fourth Proportional to 1,205,040.24, 1,662,899.40 and 661,163.76

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Solution

The fourth proportional to 1,205,040.24, 1,662,899.40 and 661,163.76 is: 912,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,040.24 : 1,662,899.40 = 661,163.76 : x
  2. Step 2: Convert to fraction form
    1,205,040.24/1,662,899.40 = 661,163.76/x
  3. Step 3: Cross multiply
    1,205,040.24x = 1,662,899.40 × 661,163.76
  4. Step 4: Simplify right side
    1,205,040.24x = 1,099,448,819,805.74
  5. Step 5: Solve for x
    x = 1,099,448,819,805.74/1,205,040.24
  6. Step 6: Final answer
    x = 912,375.19

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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.