Home / 908,319.38-1,253,481.09-526,567.46

Finding the Fourth Proportional to 908,319.38, 1,253,481.09 and 526,567.46

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Solution

The fourth proportional to 908,319.38, 1,253,481.09 and 526,567.46 is: 726,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,319.38 : 1,253,481.09 = 526,567.46 : x
  2. Step 2: Convert to fraction form
    908,319.38/1,253,481.09 = 526,567.46/x
  3. Step 3: Cross multiply
    908,319.38x = 1,253,481.09 × 526,567.46
  4. Step 4: Simplify right side
    908,319.38x = 660,042,353,719.33
  5. Step 5: Solve for x
    x = 660,042,353,719.33/908,319.38
  6. Step 6: Final answer
    x = 726,663.30

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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.