Home / 695,851.52-960,275.04-394,103.84

Finding the Fourth Proportional to 695,851.52, 960,275.04 and 394,103.84

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Solution

The fourth proportional to 695,851.52, 960,275.04 and 394,103.84 is: 543,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,851.52 : 960,275.04 = 394,103.84 : x
  2. Step 2: Convert to fraction form
    695,851.52/960,275.04 = 394,103.84/x
  3. Step 3: Cross multiply
    695,851.52x = 960,275.04 × 394,103.84
  4. Step 4: Simplify right side
    695,851.52x = 378,448,080,720.15
  5. Step 5: Solve for x
    x = 378,448,080,720.15/695,851.52
  6. Step 6: Final answer
    x = 543,863.27

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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.