Home / 657,634.12-985,858.78-236,613.76

Finding the Fourth Proportional to 657,634.12, 985,858.78 and 236,613.76

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Solution

The fourth proportional to 657,634.12, 985,858.78 and 236,613.76 is: 354,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,634.12 : 985,858.78 = 236,613.76 : x
  2. Step 2: Convert to fraction form
    657,634.12/985,858.78 = 236,613.76/x
  3. Step 3: Cross multiply
    657,634.12x = 985,858.78 × 236,613.76
  4. Step 4: Simplify right side
    657,634.12x = 233,267,752,764.81
  5. Step 5: Solve for x
    x = 233,267,752,764.81/657,634.12
  6. Step 6: Final answer
    x = 354,707.50

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1.5x scale

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.