Home / 1,282,026.20-1,923,039.30-618,474.20

Finding the Fourth Proportional to 1,282,026.20, 1,923,039.30 and 618,474.20

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Solution

The fourth proportional to 1,282,026.20, 1,923,039.30 and 618,474.20 is: 927,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,026.20 : 1,923,039.30 = 618,474.20 : x
  2. Step 2: Convert to fraction form
    1,282,026.20/1,923,039.30 = 618,474.20/x
  3. Step 3: Cross multiply
    1,282,026.20x = 1,923,039.30 × 618,474.20
  4. Step 4: Simplify right side
    1,282,026.20x = 1,189,350,192,636.06
  5. Step 5: Solve for x
    x = 1,189,350,192,636.06/1,282,026.20
  6. Step 6: Final answer
    x = 927,711.30

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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.