Home / 377,601.49-520,824.75-248,498.83

Finding the Fourth Proportional to 377,601.49, 520,824.75 and 248,498.83

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Solution

The fourth proportional to 377,601.49, 520,824.75 and 248,498.83 is: 342,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,601.49 : 520,824.75 = 248,498.83 : x
  2. Step 2: Convert to fraction form
    377,601.49/520,824.75 = 248,498.83/x
  3. Step 3: Cross multiply
    377,601.49x = 520,824.75 × 248,498.83
  4. Step 4: Simplify right side
    377,601.49x = 129,424,338,405.92
  5. Step 5: Solve for x
    x = 129,424,338,405.92/377,601.49
  6. Step 6: Final answer
    x = 342,753.79

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1.5x scale

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.