Home / 819,692.38-1,131,173.30-457,116.66

Finding the Fourth Proportional to 819,692.38, 1,131,173.30 and 457,116.66

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Solution

The fourth proportional to 819,692.38, 1,131,173.30 and 457,116.66 is: 630,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,692.38 : 1,131,173.30 = 457,116.66 : x
  2. Step 2: Convert to fraction form
    819,692.38/1,131,173.30 = 457,116.66/x
  3. Step 3: Cross multiply
    819,692.38x = 1,131,173.30 × 457,116.66
  4. Step 4: Simplify right side
    819,692.38x = 517,078,158,231.92
  5. Step 5: Solve for x
    x = 517,078,158,231.92/819,692.38
  6. Step 6: Final answer
    x = 630,819.77

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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.