Home / 1,677,616.65-2,315,137.37-913,669.61

Finding the Fourth Proportional to 1,677,616.65, 2,315,137.37 and 913,669.61

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Solution

The fourth proportional to 1,677,616.65, 2,315,137.37 and 913,669.61 is: 1,260,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,616.65 : 2,315,137.37 = 913,669.61 : x
  2. Step 2: Convert to fraction form
    1,677,616.65/2,315,137.37 = 913,669.61/x
  3. Step 3: Cross multiply
    1,677,616.65x = 2,315,137.37 × 913,669.61
  4. Step 4: Simplify right side
    1,677,616.65x = 2,115,270,641,800.29
  5. Step 5: Solve for x
    x = 2,115,270,641,800.29/1,677,616.65
  6. Step 6: Final answer
    x = 1,260,878.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.