Home / 1,217,265.28-1,826,681.28-656,686.72

Finding the Fourth Proportional to 1,217,265.28, 1,826,681.28 and 656,686.72

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Solution

The fourth proportional to 1,217,265.28, 1,826,681.28 and 656,686.72 is: 985,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,265.28 : 1,826,681.28 = 656,686.72 : x
  2. Step 2: Convert to fraction form
    1,217,265.28/1,826,681.28 = 656,686.72/x
  3. Step 3: Cross multiply
    1,217,265.28x = 1,826,681.28 × 656,686.72
  4. Step 4: Simplify right side
    1,217,265.28x = 1,199,557,338,248.60
  5. Step 5: Solve for x
    x = 1,199,557,338,248.60/1,217,265.28
  6. Step 6: Final answer
    x = 985,452.68

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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.