Home / 445,048.31-666,465.29-311,302.33

Finding the Fourth Proportional to 445,048.31, 666,465.29 and 311,302.33

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Solution

The fourth proportional to 445,048.31, 666,465.29 and 311,302.33 is: 466,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,048.31 : 666,465.29 = 311,302.33 : x
  2. Step 2: Convert to fraction form
    445,048.31/666,465.29 = 311,302.33/x
  3. Step 3: Cross multiply
    445,048.31x = 666,465.29 × 311,302.33
  4. Step 4: Simplify right side
    445,048.31x = 207,472,196,753.22
  5. Step 5: Solve for x
    x = 207,472,196,753.22/445,048.31
  6. Step 6: Final answer
    x = 466,179.04

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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.