Home / 962,503.65-1,443,257.13-513,103.80

Finding the Fourth Proportional to 962,503.65, 1,443,257.13 and 513,103.80

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Solution

The fourth proportional to 962,503.65, 1,443,257.13 and 513,103.80 is: 769,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,503.65 : 1,443,257.13 = 513,103.80 : x
  2. Step 2: Convert to fraction form
    962,503.65/1,443,257.13 = 513,103.80/x
  3. Step 3: Cross multiply
    962,503.65x = 1,443,257.13 × 513,103.80
  4. Step 4: Simplify right side
    962,503.65x = 740,540,717,780.09
  5. Step 5: Solve for x
    x = 740,540,717,780.09/962,503.65
  6. Step 6: Final answer
    x = 769,390.04

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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.