Home / 1,109,125.85-1,530,664.56-625,514.54

Finding the Fourth Proportional to 1,109,125.85, 1,530,664.56 and 625,514.54

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Solution

The fourth proportional to 1,109,125.85, 1,530,664.56 and 625,514.54 is: 863,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,125.85 : 1,530,664.56 = 625,514.54 : x
  2. Step 2: Convert to fraction form
    1,109,125.85/1,530,664.56 = 625,514.54/x
  3. Step 3: Cross multiply
    1,109,125.85x = 1,530,664.56 × 625,514.54
  4. Step 4: Simplify right side
    1,109,125.85x = 957,452,930,489.38
  5. Step 5: Solve for x
    x = 957,452,930,489.38/1,109,125.85
  6. Step 6: Final answer
    x = 863,250.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.