Home / 691,089.20-1,036,565.76-241,727.12

Finding the Fourth Proportional to 691,089.20, 1,036,565.76 and 241,727.12

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Solution

The fourth proportional to 691,089.20, 1,036,565.76 and 241,727.12 is: 362,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,089.20 : 1,036,565.76 = 241,727.12 : x
  2. Step 2: Convert to fraction form
    691,089.20/1,036,565.76 = 241,727.12/x
  3. Step 3: Cross multiply
    691,089.20x = 1,036,565.76 × 241,727.12
  4. Step 4: Simplify right side
    691,089.20x = 250,566,055,855.41
  5. Step 5: Solve for x
    x = 250,566,055,855.41/691,089.20
  6. Step 6: Final answer
    x = 362,566.88

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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.