Home / 1,453,405.70-2,181,404.55-853,616.90

Finding the Fourth Proportional to 1,453,405.70, 2,181,404.55 and 853,616.90

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Solution

The fourth proportional to 1,453,405.70, 2,181,404.55 and 853,616.90 is: 1,281,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,405.70 : 2,181,404.55 = 853,616.90 : x
  2. Step 2: Convert to fraction form
    1,453,405.70/2,181,404.55 = 853,616.90/x
  3. Step 3: Cross multiply
    1,453,405.70x = 2,181,404.55 × 853,616.90
  4. Step 4: Simplify right side
    1,453,405.70x = 1,862,083,789,616.89
  5. Step 5: Solve for x
    x = 1,862,083,789,616.89/1,453,405.70
  6. Step 6: Final answer
    x = 1,281,186.52

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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.