Home / 657,669.06-986,537.61-208,437.66

Finding the Fourth Proportional to 657,669.06, 986,537.61 and 208,437.66

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Solution

The fourth proportional to 657,669.06, 986,537.61 and 208,437.66 is: 312,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,669.06 : 986,537.61 = 208,437.66 : x
  2. Step 2: Convert to fraction form
    657,669.06/986,537.61 = 208,437.66/x
  3. Step 3: Cross multiply
    657,669.06x = 986,537.61 × 208,437.66
  4. Step 4: Simplify right side
    657,669.06x = 205,631,590,930.39
  5. Step 5: Solve for x
    x = 205,631,590,930.39/657,669.06
  6. Step 6: Final answer
    x = 312,667.27

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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.