Home / 1,115,946-1,673,919.81-367,992

Finding the Fourth Proportional to 1,115,946, 1,673,919.81 and 367,992

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Solution

The fourth proportional to 1,115,946, 1,673,919.81 and 367,992 is: 551,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,946 : 1,673,919.81 = 367,992 : x
  2. Step 2: Convert to fraction form
    1,115,946/1,673,919.81 = 367,992/x
  3. Step 3: Cross multiply
    1,115,946x = 1,673,919.81 × 367,992
  4. Step 4: Simplify right side
    1,115,946x = 615,989,098,721.52
  5. Step 5: Solve for x
    x = 615,989,098,721.52/1,115,946
  6. Step 6: Final answer
    x = 551,988.27

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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.