Home / 489,448.17-734,314.41-173,929.68

Finding the Fourth Proportional to 489,448.17, 734,314.41 and 173,929.68

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Solution

The fourth proportional to 489,448.17, 734,314.41 and 173,929.68 is: 260,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,448.17 : 734,314.41 = 173,929.68 : x
  2. Step 2: Convert to fraction form
    489,448.17/734,314.41 = 173,929.68/x
  3. Step 3: Cross multiply
    489,448.17x = 734,314.41 × 173,929.68
  4. Step 4: Simplify right side
    489,448.17x = 127,719,070,350.69
  5. Step 5: Solve for x
    x = 127,719,070,350.69/489,448.17
  6. Step 6: Final answer
    x = 260,945.04

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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.