Home / 1,214,189.27-1,820,966.55-361,031.15

Finding the Fourth Proportional to 1,214,189.27, 1,820,966.55 and 361,031.15

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Solution

The fourth proportional to 1,214,189.27, 1,820,966.55 and 361,031.15 is: 541,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,189.27 : 1,820,966.55 = 361,031.15 : x
  2. Step 2: Convert to fraction form
    1,214,189.27/1,820,966.55 = 361,031.15/x
  3. Step 3: Cross multiply
    1,214,189.27x = 1,820,966.55 × 361,031.15
  4. Step 4: Simplify right side
    1,214,189.27x = 657,425,647,658.03
  5. Step 5: Solve for x
    x = 657,425,647,658.03/1,214,189.27
  6. Step 6: Final answer
    x = 541,452.36

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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.