Home / 1,131,796.80-1,697,695.20-383,842.80

Finding the Fourth Proportional to 1,131,796.80, 1,697,695.20 and 383,842.80

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Solution

The fourth proportional to 1,131,796.80, 1,697,695.20 and 383,842.80 is: 575,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,796.80 : 1,697,695.20 = 383,842.80 : x
  2. Step 2: Convert to fraction form
    1,131,796.80/1,697,695.20 = 383,842.80/x
  3. Step 3: Cross multiply
    1,131,796.80x = 1,697,695.20 × 383,842.80
  4. Step 4: Simplify right side
    1,131,796.80x = 651,648,079,114.56
  5. Step 5: Solve for x
    x = 651,648,079,114.56/1,131,796.80
  6. Step 6: Final answer
    x = 575,764.20

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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.