Home / 1,200,202.29-1,656,263.22-683,986.92

Finding the Fourth Proportional to 1,200,202.29, 1,656,263.22 and 683,986.92

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Solution

The fourth proportional to 1,200,202.29, 1,656,263.22 and 683,986.92 is: 943,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,202.29 : 1,656,263.22 = 683,986.92 : x
  2. Step 2: Convert to fraction form
    1,200,202.29/1,656,263.22 = 683,986.92/x
  3. Step 3: Cross multiply
    1,200,202.29x = 1,656,263.22 × 683,986.92
  4. Step 4: Simplify right side
    1,200,202.29x = 1,132,862,378,557.08
  5. Step 5: Solve for x
    x = 1,132,862,378,557.08/1,200,202.29
  6. Step 6: Final answer
    x = 943,892.87

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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.