Home / 1,245,117.80-1,867,676.70-1,132,924.70

Finding the Fourth Proportional to 1,245,117.80, 1,867,676.70 and 1,132,924.70

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Solution

The fourth proportional to 1,245,117.80, 1,867,676.70 and 1,132,924.70 is: 1,699,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,117.80 : 1,867,676.70 = 1,132,924.70 : x
  2. Step 2: Convert to fraction form
    1,245,117.80/1,867,676.70 = 1,132,924.70/x
  3. Step 3: Cross multiply
    1,245,117.80x = 1,867,676.70 × 1,132,924.70
  4. Step 4: Simplify right side
    1,245,117.80x = 2,115,937,065,044.49
  5. Step 5: Solve for x
    x = 2,115,937,065,044.49/1,245,117.80
  6. Step 6: Final answer
    x = 1,699,387.05

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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.