Home / 689,384.22-1,034,089.29-216,059.10

Finding the Fourth Proportional to 689,384.22, 1,034,089.29 and 216,059.10

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Solution

The fourth proportional to 689,384.22, 1,034,089.29 and 216,059.10 is: 324,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,384.22 : 1,034,089.29 = 216,059.10 : x
  2. Step 2: Convert to fraction form
    689,384.22/1,034,089.29 = 216,059.10/x
  3. Step 3: Cross multiply
    689,384.22x = 1,034,089.29 × 216,059.10
  4. Step 4: Simplify right side
    689,384.22x = 223,424,401,317.04
  5. Step 5: Solve for x
    x = 223,424,401,317.04/689,384.22
  6. Step 6: Final answer
    x = 324,092.71

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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.