Home / 331,828.31-497,744.29-82,510.31

Finding the Fourth Proportional to 331,828.31, 497,744.29 and 82,510.31

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Solution

The fourth proportional to 331,828.31, 497,744.29 and 82,510.31 is: 123,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,828.31 : 497,744.29 = 82,510.31 : x
  2. Step 2: Convert to fraction form
    331,828.31/497,744.29 = 82,510.31/x
  3. Step 3: Cross multiply
    331,828.31x = 497,744.29 × 82,510.31
  4. Step 4: Simplify right side
    331,828.31x = 41,069,037,016.13
  5. Step 5: Solve for x
    x = 41,069,037,016.13/331,828.31
  6. Step 6: Final answer
    x = 123,765.92

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1.5x scale

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.