Home / 691,303.20-1,036,954.80-192,667.20

Finding the Fourth Proportional to 691,303.20, 1,036,954.80 and 192,667.20

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Solution

The fourth proportional to 691,303.20, 1,036,954.80 and 192,667.20 is: 289,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,303.20 : 1,036,954.80 = 192,667.20 : x
  2. Step 2: Convert to fraction form
    691,303.20/1,036,954.80 = 192,667.20/x
  3. Step 3: Cross multiply
    691,303.20x = 1,036,954.80 × 192,667.20
  4. Step 4: Simplify right side
    691,303.20x = 199,787,177,842.56
  5. Step 5: Solve for x
    x = 199,787,177,842.56/691,303.20
  6. Step 6: Final answer
    x = 289,000.80

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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.