Home / 691,338.20-1,037,007.30-192,702.20

Finding the Fourth Proportional to 691,338.20, 1,037,007.30 and 192,702.20

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Solution

The fourth proportional to 691,338.20, 1,037,007.30 and 192,702.20 is: 289,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,338.20 : 1,037,007.30 = 192,702.20 : x
  2. Step 2: Convert to fraction form
    691,338.20/1,037,007.30 = 192,702.20/x
  3. Step 3: Cross multiply
    691,338.20x = 1,037,007.30 × 192,702.20
  4. Step 4: Simplify right side
    691,338.20x = 199,833,588,126.06
  5. Step 5: Solve for x
    x = 199,833,588,126.06/691,338.20
  6. Step 6: Final answer
    x = 289,053.30

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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.