Home / 696,762.36-961,531.38-394,956.36

Finding the Fourth Proportional to 696,762.36, 961,531.38 and 394,956.36

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Solution

The fourth proportional to 696,762.36, 961,531.38 and 394,956.36 is: 545,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,762.36 : 961,531.38 = 394,956.36 : x
  2. Step 2: Convert to fraction form
    696,762.36/961,531.38 = 394,956.36/x
  3. Step 3: Cross multiply
    696,762.36x = 961,531.38 × 394,956.36
  4. Step 4: Simplify right side
    696,762.36x = 379,762,933,870.58
  5. Step 5: Solve for x
    x = 379,762,933,870.58/696,762.36
  6. Step 6: Final answer
    x = 545,039.39

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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.