Home / 1,217,039.74-1,679,402.13-673,163.82

Finding the Fourth Proportional to 1,217,039.74, 1,679,402.13 and 673,163.82

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Solution

The fourth proportional to 1,217,039.74, 1,679,402.13 and 673,163.82 is: 928,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,039.74 : 1,679,402.13 = 673,163.82 : x
  2. Step 2: Convert to fraction form
    1,217,039.74/1,679,402.13 = 673,163.82/x
  3. Step 3: Cross multiply
    1,217,039.74x = 1,679,402.13 × 673,163.82
  4. Step 4: Simplify right side
    1,217,039.74x = 1,130,512,750,622.57
  5. Step 5: Solve for x
    x = 1,130,512,750,622.57/1,217,039.74
  6. Step 6: Final answer
    x = 928,903.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.