Home / 887,591.76-1,224,876.78-479,692.26

Finding the Fourth Proportional to 887,591.76, 1,224,876.78 and 479,692.26

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Solution

The fourth proportional to 887,591.76, 1,224,876.78 and 479,692.26 is: 661,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,591.76 : 1,224,876.78 = 479,692.26 : x
  2. Step 2: Convert to fraction form
    887,591.76/1,224,876.78 = 479,692.26/x
  3. Step 3: Cross multiply
    887,591.76x = 1,224,876.78 × 479,692.26
  4. Step 4: Simplify right side
    887,591.76x = 587,563,910,819.72
  5. Step 5: Solve for x
    x = 587,563,910,819.72/887,591.76
  6. Step 6: Final answer
    x = 661,975.40

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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.