Home / 1,353,703.65-1,867,616.78-809,855.07

Finding the Fourth Proportional to 1,353,703.65, 1,867,616.78 and 809,855.07

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Solution

The fourth proportional to 1,353,703.65, 1,867,616.78 and 809,855.07 is: 1,117,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,703.65 : 1,867,616.78 = 809,855.07 : x
  2. Step 2: Convert to fraction form
    1,353,703.65/1,867,616.78 = 809,855.07/x
  3. Step 3: Cross multiply
    1,353,703.65x = 1,867,616.78 × 809,855.07
  4. Step 4: Simplify right side
    1,353,703.65x = 1,512,498,914,050.80
  5. Step 5: Solve for x
    x = 1,512,498,914,050.80/1,353,703.65
  6. Step 6: Final answer
    x = 1,117,304.30

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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.