Home / 1,224,555.11-1,689,906.22-673,294.12

Finding the Fourth Proportional to 1,224,555.11, 1,689,906.22 and 673,294.12

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Solution

The fourth proportional to 1,224,555.11, 1,689,906.22 and 673,294.12 is: 929,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,555.11 : 1,689,906.22 = 673,294.12 : x
  2. Step 2: Convert to fraction form
    1,224,555.11/1,689,906.22 = 673,294.12/x
  3. Step 3: Cross multiply
    1,224,555.11x = 1,689,906.22 × 673,294.12
  4. Step 4: Simplify right side
    1,224,555.11x = 1,137,803,921,277.43
  5. Step 5: Solve for x
    x = 1,137,803,921,277.43/1,224,555.11
  6. Step 6: Final answer
    x = 929,156.97

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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.