Home / 868,057.83-1,302,086.91-362,342.94

Finding the Fourth Proportional to 868,057.83, 1,302,086.91 and 362,342.94

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Solution

The fourth proportional to 868,057.83, 1,302,086.91 and 362,342.94 is: 543,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,057.83 : 1,302,086.91 = 362,342.94 : x
  2. Step 2: Convert to fraction form
    868,057.83/1,302,086.91 = 362,342.94/x
  3. Step 3: Cross multiply
    868,057.83x = 1,302,086.91 × 362,342.94
  4. Step 4: Simplify right side
    868,057.83x = 471,801,999,104.92
  5. Step 5: Solve for x
    x = 471,801,999,104.92/868,057.83
  6. Step 6: Final answer
    x = 543,514.48

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Double scale
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Similar ratio
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1.5x scale

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.