Home / 971,191.80-1,340,181.99-541,446.30

Finding the Fourth Proportional to 971,191.80, 1,340,181.99 and 541,446.30

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Solution

The fourth proportional to 971,191.80, 1,340,181.99 and 541,446.30 is: 747,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,191.80 : 1,340,181.99 = 541,446.30 : x
  2. Step 2: Convert to fraction form
    971,191.80/1,340,181.99 = 541,446.30/x
  3. Step 3: Cross multiply
    971,191.80x = 1,340,181.99 × 541,446.30
  4. Step 4: Simplify right side
    971,191.80x = 725,636,579,812.14
  5. Step 5: Solve for x
    x = 725,636,579,812.14/971,191.80
  6. Step 6: Final answer
    x = 747,160.94

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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.