Home / 691,233.20-1,036,995.60-291,668.30

Finding the Fourth Proportional to 691,233.20, 1,036,995.60 and 291,668.30

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Solution

The fourth proportional to 691,233.20, 1,036,995.60 and 291,668.30 is: 437,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,233.20 : 1,036,995.60 = 291,668.30 : x
  2. Step 2: Convert to fraction form
    691,233.20/1,036,995.60 = 291,668.30/x
  3. Step 3: Cross multiply
    691,233.20x = 1,036,995.60 × 291,668.30
  4. Step 4: Simplify right side
    691,233.20x = 302,458,743,759.48
  5. Step 5: Solve for x
    x = 302,458,743,759.48/691,233.20
  6. Step 6: Final answer
    x = 437,563.97

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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.