Home / 489,285.89-733,979.22-169,437.14

Finding the Fourth Proportional to 489,285.89, 733,979.22 and 169,437.14

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Solution

The fourth proportional to 489,285.89, 733,979.22 and 169,437.14 is: 254,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,285.89 : 733,979.22 = 169,437.14 : x
  2. Step 2: Convert to fraction form
    489,285.89/733,979.22 = 169,437.14/x
  3. Step 3: Cross multiply
    489,285.89x = 733,979.22 × 169,437.14
  4. Step 4: Simplify right side
    489,285.89x = 124,363,339,856.23
  5. Step 5: Solve for x
    x = 124,363,339,856.23/489,285.89
  6. Step 6: Final answer
    x = 254,173.16

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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.