Home / 278,545.95-417,137.49-251,588.85

Finding the Fourth Proportional to 278,545.95, 417,137.49 and 251,588.85

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Solution

The fourth proportional to 278,545.95, 417,137.49 and 251,588.85 is: 376,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,545.95 : 417,137.49 = 251,588.85 : x
  2. Step 2: Convert to fraction form
    278,545.95/417,137.49 = 251,588.85/x
  3. Step 3: Cross multiply
    278,545.95x = 417,137.49 × 251,588.85
  4. Step 4: Simplify right side
    278,545.95x = 104,947,141,400.99
  5. Step 5: Solve for x
    x = 104,947,141,400.99/278,545.95
  6. Step 6: Final answer
    x = 376,767.79

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1.5x scale

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.