Home / 1,151,502.18-1,589,150.88-668,067.54

Finding the Fourth Proportional to 1,151,502.18, 1,589,150.88 and 668,067.54

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Solution

The fourth proportional to 1,151,502.18, 1,589,150.88 and 668,067.54 is: 921,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,502.18 : 1,589,150.88 = 668,067.54 : x
  2. Step 2: Convert to fraction form
    1,151,502.18/1,589,150.88 = 668,067.54/x
  3. Step 3: Cross multiply
    1,151,502.18x = 1,589,150.88 × 668,067.54
  4. Step 4: Simplify right side
    1,151,502.18x = 1,061,660,119,090.44
  5. Step 5: Solve for x
    x = 1,061,660,119,090.44/1,151,502.18
  6. Step 6: Final answer
    x = 921,978.38

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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.