Home / 1,239,928.95-1,859,893.43-1,228,119.15

Finding the Fourth Proportional to 1,239,928.95, 1,859,893.43 and 1,228,119.15

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Solution

The fourth proportional to 1,239,928.95, 1,859,893.43 and 1,228,119.15 is: 1,842,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,928.95 : 1,859,893.43 = 1,228,119.15 : x
  2. Step 2: Convert to fraction form
    1,239,928.95/1,859,893.43 = 1,228,119.15/x
  3. Step 3: Cross multiply
    1,239,928.95x = 1,859,893.43 × 1,228,119.15
  4. Step 4: Simplify right side
    1,239,928.95x = 2,284,170,732,201.59
  5. Step 5: Solve for x
    x = 2,284,170,732,201.59/1,239,928.95
  6. Step 6: Final answer
    x = 1,842,178.73

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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.