Home / 699,499.62-1,048,959.99-219,567.06

Finding the Fourth Proportional to 699,499.62, 1,048,959.99 and 219,567.06

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Solution

The fourth proportional to 699,499.62, 1,048,959.99 and 219,567.06 is: 329,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,499.62 : 1,048,959.99 = 219,567.06 : x
  2. Step 2: Convert to fraction form
    699,499.62/1,048,959.99 = 219,567.06/x
  3. Step 3: Cross multiply
    699,499.62x = 1,048,959.99 × 219,567.06
  4. Step 4: Simplify right side
    699,499.62x = 230,317,061,061.93
  5. Step 5: Solve for x
    x = 230,317,061,061.93/699,499.62
  6. Step 6: Final answer
    x = 329,259.74

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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.