Home / 689,452.10-1,034,182.71-240,181.46

Finding the Fourth Proportional to 689,452.10, 1,034,182.71 and 240,181.46

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Solution

The fourth proportional to 689,452.10, 1,034,182.71 and 240,181.46 is: 360,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,452.10 : 1,034,182.71 = 240,181.46 : x
  2. Step 2: Convert to fraction form
    689,452.10/1,034,182.71 = 240,181.46/x
  3. Step 3: Cross multiply
    689,452.10x = 1,034,182.71 × 240,181.46
  4. Step 4: Simplify right side
    689,452.10x = 248,391,508,023.64
  5. Step 5: Solve for x
    x = 248,391,508,023.64/689,452.10
  6. Step 6: Final answer
    x = 360,273.77

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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.