Home / 691,277.20-1,036,915.80-192,641.20

Finding the Fourth Proportional to 691,277.20, 1,036,915.80 and 192,641.20

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Solution

The fourth proportional to 691,277.20, 1,036,915.80 and 192,641.20 is: 288,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,277.20 : 1,036,915.80 = 192,641.20 : x
  2. Step 2: Convert to fraction form
    691,277.20/1,036,915.80 = 192,641.20/x
  3. Step 3: Cross multiply
    691,277.20x = 1,036,915.80 × 192,641.20
  4. Step 4: Simplify right side
    691,277.20x = 199,752,704,010.96
  5. Step 5: Solve for x
    x = 199,752,704,010.96/691,277.20
  6. Step 6: Final answer
    x = 288,961.80

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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.