Home / 1,218,536-1,681,585.44-682,095.68

Finding the Fourth Proportional to 1,218,536, 1,681,585.44 and 682,095.68

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Solution

The fourth proportional to 1,218,536, 1,681,585.44 and 682,095.68 is: 941,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,536 : 1,681,585.44 = 682,095.68 : x
  2. Step 2: Convert to fraction form
    1,218,536/1,681,585.44 = 682,095.68/x
  3. Step 3: Cross multiply
    1,218,536x = 1,681,585.44 × 682,095.68
  4. Step 4: Simplify right side
    1,218,536x = 1,147,002,164,174.90
  5. Step 5: Solve for x
    x = 1,147,002,164,174.90/1,218,536
  6. Step 6: Final answer
    x = 941,295.26

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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.