Home / 1,023,184.20-1,534,776.30-313,213.80

Finding the Fourth Proportional to 1,023,184.20, 1,534,776.30 and 313,213.80

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Solution

The fourth proportional to 1,023,184.20, 1,534,776.30 and 313,213.80 is: 469,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,184.20 : 1,534,776.30 = 313,213.80 : x
  2. Step 2: Convert to fraction form
    1,023,184.20/1,534,776.30 = 313,213.80/x
  3. Step 3: Cross multiply
    1,023,184.20x = 1,534,776.30 × 313,213.80
  4. Step 4: Simplify right side
    1,023,184.20x = 480,713,117,072.94
  5. Step 5: Solve for x
    x = 480,713,117,072.94/1,023,184.20
  6. Step 6: Final answer
    x = 469,820.70

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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.