Home / 381,895.76-527,024.51-209,815.94

Finding the Fourth Proportional to 381,895.76, 527,024.51 and 209,815.94

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Solution

The fourth proportional to 381,895.76, 527,024.51 and 209,815.94 is: 289,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,895.76 : 527,024.51 = 209,815.94 : x
  2. Step 2: Convert to fraction form
    381,895.76/527,024.51 = 209,815.94/x
  3. Step 3: Cross multiply
    381,895.76x = 527,024.51 × 209,815.94
  4. Step 4: Simplify right side
    381,895.76x = 110,578,144,023.98
  5. Step 5: Solve for x
    x = 110,578,144,023.98/381,895.76
  6. Step 6: Final answer
    x = 289,550.59

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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.