Home / 657,825.42-986,862.54-208,659.36

Finding the Fourth Proportional to 657,825.42, 986,862.54 and 208,659.36

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Solution

The fourth proportional to 657,825.42, 986,862.54 and 208,659.36 is: 313,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,825.42 : 986,862.54 = 208,659.36 : x
  2. Step 2: Convert to fraction form
    657,825.42/986,862.54 = 208,659.36/x
  3. Step 3: Cross multiply
    657,825.42x = 986,862.54 × 208,659.36
  4. Step 4: Simplify right side
    657,825.42x = 205,918,106,004.37
  5. Step 5: Solve for x
    x = 205,918,106,004.37/657,825.42
  6. Step 6: Final answer
    x = 313,028.50

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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.