Home / 1,172,182.90-1,758,101.55-330,819.70

Finding the Fourth Proportional to 1,172,182.90, 1,758,101.55 and 330,819.70

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Solution

The fourth proportional to 1,172,182.90, 1,758,101.55 and 330,819.70 is: 496,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,182.90 : 1,758,101.55 = 330,819.70 : x
  2. Step 2: Convert to fraction form
    1,172,182.90/1,758,101.55 = 330,819.70/x
  3. Step 3: Cross multiply
    1,172,182.90x = 1,758,101.55 × 330,819.70
  4. Step 4: Simplify right side
    1,172,182.90x = 581,614,627,340.54
  5. Step 5: Solve for x
    x = 581,614,627,340.54/1,172,182.90
  6. Step 6: Final answer
    x = 496,180.78

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1.5x scale

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.