Home / 1,961,454.30-2,942,177.12-522,138.03

Finding the Fourth Proportional to 1,961,454.30, 2,942,177.12 and 522,138.03

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Solution

The fourth proportional to 1,961,454.30, 2,942,177.12 and 522,138.03 is: 783,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,454.30 : 2,942,177.12 = 522,138.03 : x
  2. Step 2: Convert to fraction form
    1,961,454.30/2,942,177.12 = 522,138.03/x
  3. Step 3: Cross multiply
    1,961,454.30x = 2,942,177.12 × 522,138.03
  4. Step 4: Simplify right side
    1,961,454.30x = 1,536,222,565,347.87
  5. Step 5: Solve for x
    x = 1,536,222,565,347.87/1,961,454.30
  6. Step 6: Final answer
    x = 783,205.89

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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.