Home / 465,799.05-642,616.07-293,660.37

Finding the Fourth Proportional to 465,799.05, 642,616.07 and 293,660.37

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Solution

The fourth proportional to 465,799.05, 642,616.07 and 293,660.37 is: 405,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,799.05 : 642,616.07 = 293,660.37 : x
  2. Step 2: Convert to fraction form
    465,799.05/642,616.07 = 293,660.37/x
  3. Step 3: Cross multiply
    465,799.05x = 642,616.07 × 293,660.37
  4. Step 4: Simplify right side
    465,799.05x = 188,710,871,415.84
  5. Step 5: Solve for x
    x = 188,710,871,415.84/465,799.05
  6. Step 6: Final answer
    x = 405,133.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.