Home / 1,145,918.72-1,718,286.78-514,292.06

Finding the Fourth Proportional to 1,145,918.72, 1,718,286.78 and 514,292.06

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Solution

The fourth proportional to 1,145,918.72, 1,718,286.78 and 514,292.06 is: 771,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,918.72 : 1,718,286.78 = 514,292.06 : x
  2. Step 2: Convert to fraction form
    1,145,918.72/1,718,286.78 = 514,292.06/x
  3. Step 3: Cross multiply
    1,145,918.72x = 1,718,286.78 × 514,292.06
  4. Step 4: Simplify right side
    1,145,918.72x = 883,701,247,756.97
  5. Step 5: Solve for x
    x = 883,701,247,756.97/1,145,918.72
  6. Step 6: Final answer
    x = 771,172.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.