Home / 1,686,082.62-2,326,812.38-922,119.78

Finding the Fourth Proportional to 1,686,082.62, 2,326,812.38 and 922,119.78

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Solution

The fourth proportional to 1,686,082.62, 2,326,812.38 and 922,119.78 is: 1,272,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,082.62 : 2,326,812.38 = 922,119.78 : x
  2. Step 2: Convert to fraction form
    1,686,082.62/2,326,812.38 = 922,119.78/x
  3. Step 3: Cross multiply
    1,686,082.62x = 2,326,812.38 × 922,119.78
  4. Step 4: Simplify right side
    1,686,082.62x = 2,145,599,719,946.88
  5. Step 5: Solve for x
    x = 2,145,599,719,946.88/1,686,082.62
  6. Step 6: Final answer
    x = 1,272,535.34

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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.