Home / 691,259.20-1,036,790.36-217,883.04

Finding the Fourth Proportional to 691,259.20, 1,036,790.36 and 217,883.04

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Solution

The fourth proportional to 691,259.20, 1,036,790.36 and 217,883.04 is: 326,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,259.20 : 1,036,790.36 = 217,883.04 : x
  2. Step 2: Convert to fraction form
    691,259.20/1,036,790.36 = 217,883.04/x
  3. Step 3: Cross multiply
    691,259.20x = 1,036,790.36 × 217,883.04
  4. Step 4: Simplify right side
    691,259.20x = 225,899,035,479.49
  5. Step 5: Solve for x
    x = 225,899,035,479.49/691,259.20
  6. Step 6: Final answer
    x = 326,793.53

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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.