Home / 971,195.80-1,340,187.51-541,450.30

Finding the Fourth Proportional to 971,195.80, 1,340,187.51 and 541,450.30

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Solution

The fourth proportional to 971,195.80, 1,340,187.51 and 541,450.30 is: 747,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,195.80 : 1,340,187.51 = 541,450.30 : x
  2. Step 2: Convert to fraction form
    971,195.80/1,340,187.51 = 541,450.30/x
  3. Step 3: Cross multiply
    971,195.80x = 1,340,187.51 × 541,450.30
  4. Step 4: Simplify right side
    971,195.80x = 725,644,929,345.75
  5. Step 5: Solve for x
    x = 725,644,929,345.75/971,195.80
  6. Step 6: Final answer
    x = 747,166.46

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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.