Home / 441,142.40-661,423.22-290,924.66

Finding the Fourth Proportional to 441,142.40, 661,423.22 and 290,924.66

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Solution

The fourth proportional to 441,142.40, 661,423.22 and 290,924.66 is: 436,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,142.40 : 661,423.22 = 290,924.66 : x
  2. Step 2: Convert to fraction form
    441,142.40/661,423.22 = 290,924.66/x
  3. Step 3: Cross multiply
    441,142.40x = 661,423.22 × 290,924.66
  4. Step 4: Simplify right side
    441,142.40x = 192,424,325,394.61
  5. Step 5: Solve for x
    x = 192,424,325,394.61/441,142.40
  6. Step 6: Final answer
    x = 436,195.49

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1.5x scale

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.