Home / 1,154,537.70-1,728,854.10-853,387.80

Finding the Fourth Proportional to 1,154,537.70, 1,728,854.10 and 853,387.80

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Solution

The fourth proportional to 1,154,537.70, 1,728,854.10 and 853,387.80 is: 1,277,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,537.70 : 1,728,854.10 = 853,387.80 : x
  2. Step 2: Convert to fraction form
    1,154,537.70/1,728,854.10 = 853,387.80/x
  3. Step 3: Cross multiply
    1,154,537.70x = 1,728,854.10 × 853,387.80
  4. Step 4: Simplify right side
    1,154,537.70x = 1,475,382,996,919.98
  5. Step 5: Solve for x
    x = 1,475,382,996,919.98/1,154,537.70
  6. Step 6: Final answer
    x = 1,277,899.37

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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.