Home / 469,121.31-647,376.96-265,145.10

Finding the Fourth Proportional to 469,121.31, 647,376.96 and 265,145.10

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Solution

The fourth proportional to 469,121.31, 647,376.96 and 265,145.10 is: 365,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,121.31 : 647,376.96 = 265,145.10 : x
  2. Step 2: Convert to fraction form
    469,121.31/647,376.96 = 265,145.10/x
  3. Step 3: Cross multiply
    469,121.31x = 647,376.96 × 265,145.10
  4. Step 4: Simplify right side
    469,121.31x = 171,648,828,796.90
  5. Step 5: Solve for x
    x = 171,648,828,796.90/469,121.31
  6. Step 6: Final answer
    x = 365,894.33

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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.