Home / 1,314,167.70-1,971,251.55-865,395.30

Finding the Fourth Proportional to 1,314,167.70, 1,971,251.55 and 865,395.30

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Solution

The fourth proportional to 1,314,167.70, 1,971,251.55 and 865,395.30 is: 1,298,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,167.70 : 1,971,251.55 = 865,395.30 : x
  2. Step 2: Convert to fraction form
    1,314,167.70/1,971,251.55 = 865,395.30/x
  3. Step 3: Cross multiply
    1,314,167.70x = 1,971,251.55 × 865,395.30
  4. Step 4: Simplify right side
    1,314,167.70x = 1,705,911,826,487.72
  5. Step 5: Solve for x
    x = 1,705,911,826,487.72/1,314,167.70
  6. Step 6: Final answer
    x = 1,298,092.95

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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.