Home / 657,859.77-986,824.62-208,616.07

Finding the Fourth Proportional to 657,859.77, 986,824.62 and 208,616.07

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Solution

The fourth proportional to 657,859.77, 986,824.62 and 208,616.07 is: 312,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,859.77 : 986,824.62 = 208,616.07 : x
  2. Step 2: Convert to fraction form
    657,859.77/986,824.62 = 208,616.07/x
  3. Step 3: Cross multiply
    657,859.77x = 986,824.62 × 208,616.07
  4. Step 4: Simplify right side
    657,859.77x = 205,867,474,003.64
  5. Step 5: Solve for x
    x = 205,867,474,003.64/657,859.77
  6. Step 6: Final answer
    x = 312,935.19

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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.