Home / 1,668,500.89-2,502,751.31-769,676.70

Finding the Fourth Proportional to 1,668,500.89, 2,502,751.31 and 769,676.70

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Solution

The fourth proportional to 1,668,500.89, 2,502,751.31 and 769,676.70 is: 1,154,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,500.89 : 2,502,751.31 = 769,676.70 : x
  2. Step 2: Convert to fraction form
    1,668,500.89/2,502,751.31 = 769,676.70/x
  3. Step 3: Cross multiply
    1,668,500.89x = 2,502,751.31 × 769,676.70
  4. Step 4: Simplify right side
    1,668,500.89x = 1,926,309,367,876.15
  5. Step 5: Solve for x
    x = 1,926,309,367,876.15/1,668,500.89
  6. Step 6: Final answer
    x = 1,154,515.04

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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.