Home / 1,941,737.80-2,912,088.30-679,433.80

Finding the Fourth Proportional to 1,941,737.80, 2,912,088.30 and 679,433.80

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Solution

The fourth proportional to 1,941,737.80, 2,912,088.30 and 679,433.80 is: 1,018,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,737.80 : 2,912,088.30 = 679,433.80 : x
  2. Step 2: Convert to fraction form
    1,941,737.80/2,912,088.30 = 679,433.80/x
  3. Step 3: Cross multiply
    1,941,737.80x = 2,912,088.30 × 679,433.80
  4. Step 4: Simplify right side
    1,941,737.80x = 1,978,571,219,604.54
  5. Step 5: Solve for x
    x = 1,978,571,219,604.54/1,941,737.80
  6. Step 6: Final answer
    x = 1,018,969.31

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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.