Home / 739,196.70-1,108,795.05-664,401.30

Finding the Fourth Proportional to 739,196.70, 1,108,795.05 and 664,401.30

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Solution

The fourth proportional to 739,196.70, 1,108,795.05 and 664,401.30 is: 996,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,196.70 : 1,108,795.05 = 664,401.30 : x
  2. Step 2: Convert to fraction form
    739,196.70/1,108,795.05 = 664,401.30/x
  3. Step 3: Cross multiply
    739,196.70x = 1,108,795.05 × 664,401.30
  4. Step 4: Simplify right side
    739,196.70x = 736,684,872,653.57
  5. Step 5: Solve for x
    x = 736,684,872,653.57/739,196.70
  6. Step 6: Final answer
    x = 996,601.95

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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.