Home / 1,641,280.44-2,461,895.10-842,100.78

Finding the Fourth Proportional to 1,641,280.44, 2,461,895.10 and 842,100.78

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Solution

The fourth proportional to 1,641,280.44, 2,461,895.10 and 842,100.78 is: 1,263,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,280.44 : 2,461,895.10 = 842,100.78 : x
  2. Step 2: Convert to fraction form
    1,641,280.44/2,461,895.10 = 842,100.78/x
  3. Step 3: Cross multiply
    1,641,280.44x = 2,461,895.10 × 842,100.78
  4. Step 4: Simplify right side
    1,641,280.44x = 2,073,163,783,988.18
  5. Step 5: Solve for x
    x = 2,073,163,783,988.18/1,641,280.44
  6. Step 6: Final answer
    x = 1,263,138.06

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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.