Home / 293,630.40-441,367.20-288,100.80

Finding the Fourth Proportional to 293,630.40, 441,367.20 and 288,100.80

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Solution

The fourth proportional to 293,630.40, 441,367.20 and 288,100.80 is: 433,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,630.40 : 441,367.20 = 288,100.80 : x
  2. Step 2: Convert to fraction form
    293,630.40/441,367.20 = 288,100.80/x
  3. Step 3: Cross multiply
    293,630.40x = 441,367.20 × 288,100.80
  4. Step 4: Simplify right side
    293,630.40x = 127,158,243,413.76
  5. Step 5: Solve for x
    x = 127,158,243,413.76/293,630.40
  6. Step 6: Final answer
    x = 433,055.44

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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.