Home / 657,675.08-986,546.60-208,443.68

Finding the Fourth Proportional to 657,675.08, 986,546.60 and 208,443.68

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Solution

The fourth proportional to 657,675.08, 986,546.60 and 208,443.68 is: 312,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,675.08 : 986,546.60 = 208,443.68 : x
  2. Step 2: Convert to fraction form
    657,675.08/986,546.60 = 208,443.68/x
  3. Step 3: Cross multiply
    657,675.08x = 986,546.60 × 208,443.68
  4. Step 4: Simplify right side
    657,675.08x = 205,639,403,795.49
  5. Step 5: Solve for x
    x = 205,639,403,795.49/657,675.08
  6. Step 6: Final answer
    x = 312,676.29

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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.