Home / 1,685,462.06-2,325,947.41-921,515.62

Finding the Fourth Proportional to 1,685,462.06, 2,325,947.41 and 921,515.62

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Solution

The fourth proportional to 1,685,462.06, 2,325,947.41 and 921,515.62 is: 1,271,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,462.06 : 2,325,947.41 = 921,515.62 : x
  2. Step 2: Convert to fraction form
    1,685,462.06/2,325,947.41 = 921,515.62/x
  3. Step 3: Cross multiply
    1,685,462.06x = 2,325,947.41 × 921,515.62
  4. Step 4: Simplify right side
    1,685,462.06x = 2,143,396,869,613.54
  5. Step 5: Solve for x
    x = 2,143,396,869,613.54/1,685,462.06
  6. Step 6: Final answer
    x = 1,271,696.90

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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.