Home / 1,903,119.03-2,853,967.11-765,496.80

Finding the Fourth Proportional to 1,903,119.03, 2,853,967.11 and 765,496.80

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Solution

The fourth proportional to 1,903,119.03, 2,853,967.11 and 765,496.80 is: 1,147,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,119.03 : 2,853,967.11 = 765,496.80 : x
  2. Step 2: Convert to fraction form
    1,903,119.03/2,853,967.11 = 765,496.80/x
  3. Step 3: Cross multiply
    1,903,119.03x = 2,853,967.11 × 765,496.80
  4. Step 4: Simplify right side
    1,903,119.03x = 2,184,702,690,010.25
  5. Step 5: Solve for x
    x = 2,184,702,690,010.25/1,903,119.03
  6. Step 6: Final answer
    x = 1,147,959.04

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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.