Home / 711,944.28-982,482.21-401,912.07

Finding the Fourth Proportional to 711,944.28, 982,482.21 and 401,912.07

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Solution

The fourth proportional to 711,944.28, 982,482.21 and 401,912.07 is: 554,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,944.28 : 982,482.21 = 401,912.07 : x
  2. Step 2: Convert to fraction form
    711,944.28/982,482.21 = 401,912.07/x
  3. Step 3: Cross multiply
    711,944.28x = 982,482.21 × 401,912.07
  4. Step 4: Simplify right side
    711,944.28x = 394,871,458,759.28
  5. Step 5: Solve for x
    x = 394,871,458,759.28/711,944.28
  6. Step 6: Final answer
    x = 554,638.15

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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.