Home / 739,555.76-1,109,336.86-234,119.20

Finding the Fourth Proportional to 739,555.76, 1,109,336.86 and 234,119.20

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Solution

The fourth proportional to 739,555.76, 1,109,336.86 and 234,119.20 is: 351,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,555.76 : 1,109,336.86 = 234,119.20 : x
  2. Step 2: Convert to fraction form
    739,555.76/1,109,336.86 = 234,119.20/x
  3. Step 3: Cross multiply
    739,555.76x = 1,109,336.86 × 234,119.20
  4. Step 4: Simplify right side
    739,555.76x = 259,717,058,193.71
  5. Step 5: Solve for x
    x = 259,717,058,193.71/739,555.76
  6. Step 6: Final answer
    x = 351,179.82

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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.