Home / 916,616.80-1,372,160.40-806,024.80

Finding the Fourth Proportional to 916,616.80, 1,372,160.40 and 806,024.80

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Solution

The fourth proportional to 916,616.80, 1,372,160.40 and 806,024.80 is: 1,206,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,616.80 : 1,372,160.40 = 806,024.80 : x
  2. Step 2: Convert to fraction form
    916,616.80/1,372,160.40 = 806,024.80/x
  3. Step 3: Cross multiply
    916,616.80x = 1,372,160.40 × 806,024.80
  4. Step 4: Simplify right side
    916,616.80x = 1,105,995,311,977.92
  5. Step 5: Solve for x
    x = 1,105,995,311,977.92/916,616.80
  6. Step 6: Final answer
    x = 1,206,605.98

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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.