Home / 377,913.52-521,521.19-205,832.16

Finding the Fourth Proportional to 377,913.52, 521,521.19 and 205,832.16

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Solution

The fourth proportional to 377,913.52, 521,521.19 and 205,832.16 is: 284,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,913.52 : 521,521.19 = 205,832.16 : x
  2. Step 2: Convert to fraction form
    377,913.52/521,521.19 = 205,832.16/x
  3. Step 3: Cross multiply
    377,913.52x = 521,521.19 × 205,832.16
  4. Step 4: Simplify right side
    377,913.52x = 107,345,832,766.18
  5. Step 5: Solve for x
    x = 107,345,832,766.18/377,913.52
  6. Step 6: Final answer
    x = 284,048.67

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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.