Home / 1,753,191.68-2,629,862.55-688,464.10

Finding the Fourth Proportional to 1,753,191.68, 2,629,862.55 and 688,464.10

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Solution

The fourth proportional to 1,753,191.68, 2,629,862.55 and 688,464.10 is: 1,032,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,191.68 : 2,629,862.55 = 688,464.10 : x
  2. Step 2: Convert to fraction form
    1,753,191.68/2,629,862.55 = 688,464.10/x
  3. Step 3: Cross multiply
    1,753,191.68x = 2,629,862.55 × 688,464.10
  4. Step 4: Simplify right side
    1,753,191.68x = 1,810,565,947,034.80
  5. Step 5: Solve for x
    x = 1,810,565,947,034.80/1,753,191.68
  6. Step 6: Final answer
    x = 1,032,725.61

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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.