Home / 971,196.30-1,340,188.20-541,450.80

Finding the Fourth Proportional to 971,196.30, 1,340,188.20 and 541,450.80

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Solution

The fourth proportional to 971,196.30, 1,340,188.20 and 541,450.80 is: 747,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,196.30 : 1,340,188.20 = 541,450.80 : x
  2. Step 2: Convert to fraction form
    971,196.30/1,340,188.20 = 541,450.80/x
  3. Step 3: Cross multiply
    971,196.30x = 1,340,188.20 × 541,450.80
  4. Step 4: Simplify right side
    971,196.30x = 725,645,973,040.56
  5. Step 5: Solve for x
    x = 725,645,973,040.56/971,196.30
  6. Step 6: Final answer
    x = 747,167.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.