Home / 1,222,098.29-1,687,317.95-935,105.57

Finding the Fourth Proportional to 1,222,098.29, 1,687,317.95 and 935,105.57

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Solution

The fourth proportional to 1,222,098.29, 1,687,317.95 and 935,105.57 is: 1,291,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,098.29 : 1,687,317.95 = 935,105.57 : x
  2. Step 2: Convert to fraction form
    1,222,098.29/1,687,317.95 = 935,105.57/x
  3. Step 3: Cross multiply
    1,222,098.29x = 1,687,317.95 × 935,105.57
  4. Step 4: Simplify right side
    1,222,098.29x = 1,577,820,413,405.98
  5. Step 5: Solve for x
    x = 1,577,820,413,405.98/1,222,098.29
  6. Step 6: Final answer
    x = 1,291,074.89

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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.