Home / 1,202,452.80-1,659,411.71-686,196.42

Finding the Fourth Proportional to 1,202,452.80, 1,659,411.71 and 686,196.42

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Solution

The fourth proportional to 1,202,452.80, 1,659,411.71 and 686,196.42 is: 946,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,452.80 : 1,659,411.71 = 686,196.42 : x
  2. Step 2: Convert to fraction form
    1,202,452.80/1,659,411.71 = 686,196.42/x
  3. Step 3: Cross multiply
    1,202,452.80x = 1,659,411.71 × 686,196.42
  4. Step 4: Simplify right side
    1,202,452.80x = 1,138,682,371,487.39
  5. Step 5: Solve for x
    x = 1,138,682,371,487.39/1,202,452.80
  6. Step 6: Final answer
    x = 946,966.38

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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.