Home / 725,234.67-1,088,048.85-219,775.23

Finding the Fourth Proportional to 725,234.67, 1,088,048.85 and 219,775.23

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Solution

The fourth proportional to 725,234.67, 1,088,048.85 and 219,775.23 is: 329,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,234.67 : 1,088,048.85 = 219,775.23 : x
  2. Step 2: Convert to fraction form
    725,234.67/1,088,048.85 = 219,775.23/x
  3. Step 3: Cross multiply
    725,234.67x = 1,088,048.85 × 219,775.23
  4. Step 4: Simplify right side
    725,234.67x = 239,126,186,259.99
  5. Step 5: Solve for x
    x = 239,126,186,259.99/725,234.67
  6. Step 6: Final answer
    x = 329,722.50

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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.