Home / 376,719.10-565,516.05-216,922.30

Finding the Fourth Proportional to 376,719.10, 565,516.05 and 216,922.30

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Solution

The fourth proportional to 376,719.10, 565,516.05 and 216,922.30 is: 325,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,719.10 : 565,516.05 = 216,922.30 : x
  2. Step 2: Convert to fraction form
    376,719.10/565,516.05 = 216,922.30/x
  3. Step 3: Cross multiply
    376,719.10x = 565,516.05 × 216,922.30
  4. Step 4: Simplify right side
    376,719.10x = 122,673,042,252.92
  5. Step 5: Solve for x
    x = 122,673,042,252.92/376,719.10
  6. Step 6: Final answer
    x = 325,635.31

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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.