Home / 691,158.80-1,036,668.12-185,654.11

Finding the Fourth Proportional to 691,158.80, 1,036,668.12 and 185,654.11

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Solution

The fourth proportional to 691,158.80, 1,036,668.12 and 185,654.11 is: 278,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,158.80 : 1,036,668.12 = 185,654.11 : x
  2. Step 2: Convert to fraction form
    691,158.80/1,036,668.12 = 185,654.11/x
  3. Step 3: Cross multiply
    691,158.80x = 1,036,668.12 × 185,654.11
  4. Step 4: Simplify right side
    691,158.80x = 192,461,697,183.97
  5. Step 5: Solve for x
    x = 192,461,697,183.97/691,158.80
  6. Step 6: Final answer
    x = 278,462.34

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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.