Home / 449,948.48-621,085.27-259,037.96

Finding the Fourth Proportional to 449,948.48, 621,085.27 and 259,037.96

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Solution

The fourth proportional to 449,948.48, 621,085.27 and 259,037.96 is: 357,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,948.48 : 621,085.27 = 259,037.96 : x
  2. Step 2: Convert to fraction form
    449,948.48/621,085.27 = 259,037.96/x
  3. Step 3: Cross multiply
    449,948.48x = 621,085.27 × 259,037.96
  4. Step 4: Simplify right side
    449,948.48x = 160,884,661,326.85
  5. Step 5: Solve for x
    x = 160,884,661,326.85/449,948.48
  6. Step 6: Final answer
    x = 357,562.41

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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.