Home / 671,545.67-1,007,427.92-198,278.87

Finding the Fourth Proportional to 671,545.67, 1,007,427.92 and 198,278.87

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Solution

The fourth proportional to 671,545.67, 1,007,427.92 and 198,278.87 is: 297,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,545.67 : 1,007,427.92 = 198,278.87 : x
  2. Step 2: Convert to fraction form
    671,545.67/1,007,427.92 = 198,278.87/x
  3. Step 3: Cross multiply
    671,545.67x = 1,007,427.92 × 198,278.87
  4. Step 4: Simplify right side
    671,545.67x = 199,751,663,555.52
  5. Step 5: Solve for x
    x = 199,751,663,555.52/671,545.67
  6. Step 6: Final answer
    x = 297,450.60

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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.