Home / 489,256.40-733,711.80-173,723.60

Finding the Fourth Proportional to 489,256.40, 733,711.80 and 173,723.60

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Solution

The fourth proportional to 489,256.40, 733,711.80 and 173,723.60 is: 260,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,256.40 : 733,711.80 = 173,723.60 : x
  2. Step 2: Convert to fraction form
    489,256.40/733,711.80 = 173,723.60/x
  3. Step 3: Cross multiply
    489,256.40x = 733,711.80 × 173,723.60
  4. Step 4: Simplify right side
    489,256.40x = 127,463,055,258.48
  5. Step 5: Solve for x
    x = 127,463,055,258.48/489,256.40
  6. Step 6: Final answer
    x = 260,524.04

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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.