Home / 1,585,979.90-2,188,131.17-897,583.38

Finding the Fourth Proportional to 1,585,979.90, 2,188,131.17 and 897,583.38

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Solution

The fourth proportional to 1,585,979.90, 2,188,131.17 and 897,583.38 is: 1,238,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,979.90 : 2,188,131.17 = 897,583.38 : x
  2. Step 2: Convert to fraction form
    1,585,979.90/2,188,131.17 = 897,583.38/x
  3. Step 3: Cross multiply
    1,585,979.90x = 2,188,131.17 × 897,583.38
  4. Step 4: Simplify right side
    1,585,979.90x = 1,964,030,158,758.55
  5. Step 5: Solve for x
    x = 1,964,030,158,758.55/1,585,979.90
  6. Step 6: Final answer
    x = 1,238,370.15

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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.