Home / 691,339.20-1,037,008.80-192,703.20

Finding the Fourth Proportional to 691,339.20, 1,037,008.80 and 192,703.20

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Solution

The fourth proportional to 691,339.20, 1,037,008.80 and 192,703.20 is: 289,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,339.20 : 1,037,008.80 = 192,703.20 : x
  2. Step 2: Convert to fraction form
    691,339.20/1,037,008.80 = 192,703.20/x
  3. Step 3: Cross multiply
    691,339.20x = 1,037,008.80 × 192,703.20
  4. Step 4: Simplify right side
    691,339.20x = 199,834,914,188.16
  5. Step 5: Solve for x
    x = 199,834,914,188.16/691,339.20
  6. Step 6: Final answer
    x = 289,054.80

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Similar ratio
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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.