Home / 657,071.58-985,238.32-207,905.52

Finding the Fourth Proportional to 657,071.58, 985,238.32 and 207,905.52

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Solution

The fourth proportional to 657,071.58, 985,238.32 and 207,905.52 is: 311,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,071.58 : 985,238.32 = 207,905.52 : x
  2. Step 2: Convert to fraction form
    657,071.58/985,238.32 = 207,905.52/x
  3. Step 3: Cross multiply
    657,071.58x = 985,238.32 × 207,905.52
  4. Step 4: Simplify right side
    657,071.58x = 204,836,485,243.53
  5. Step 5: Solve for x
    x = 204,836,485,243.53/657,071.58
  6. Step 6: Final answer
    x = 311,741.51

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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.