Home / 657,764.13-986,558.54-208,530.41

Finding the Fourth Proportional to 657,764.13, 986,558.54 and 208,530.41

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Solution

The fourth proportional to 657,764.13, 986,558.54 and 208,530.41 is: 312,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,764.13 : 986,558.54 = 208,530.41 : x
  2. Step 2: Convert to fraction form
    657,764.13/986,558.54 = 208,530.41/x
  3. Step 3: Cross multiply
    657,764.13x = 986,558.54 × 208,530.41
  4. Step 4: Simplify right side
    657,764.13x = 205,727,453,634.45
  5. Step 5: Solve for x
    x = 205,727,453,634.45/657,764.13
  6. Step 6: Final answer
    x = 312,767.82

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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.