Home / 738,228.30-1,107,342.45-177,262.80

Finding the Fourth Proportional to 738,228.30, 1,107,342.45 and 177,262.80

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Solution

The fourth proportional to 738,228.30, 1,107,342.45 and 177,262.80 is: 265,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,228.30 : 1,107,342.45 = 177,262.80 : x
  2. Step 2: Convert to fraction form
    738,228.30/1,107,342.45 = 177,262.80/x
  3. Step 3: Cross multiply
    738,228.30x = 1,107,342.45 × 177,262.80
  4. Step 4: Simplify right side
    738,228.30x = 196,290,623,245.86
  5. Step 5: Solve for x
    x = 196,290,623,245.86/738,228.30
  6. Step 6: Final answer
    x = 265,894.20

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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.