Home / 1,691,919.24-2,334,996.12-928,120.38

Finding the Fourth Proportional to 1,691,919.24, 2,334,996.12 and 928,120.38

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Solution

The fourth proportional to 1,691,919.24, 2,334,996.12 and 928,120.38 is: 1,280,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,919.24 : 2,334,996.12 = 928,120.38 : x
  2. Step 2: Convert to fraction form
    1,691,919.24/2,334,996.12 = 928,120.38/x
  3. Step 3: Cross multiply
    1,691,919.24x = 2,334,996.12 × 928,120.38
  4. Step 4: Simplify right side
    1,691,919.24x = 2,167,157,486,192.93
  5. Step 5: Solve for x
    x = 2,167,157,486,192.93/1,691,919.24
  6. Step 6: Final answer
    x = 1,280,887.07

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1.5x scale

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.