Home / 438,926.56-605,716.78-245,334.01

Finding the Fourth Proportional to 438,926.56, 605,716.78 and 245,334.01

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Solution

The fourth proportional to 438,926.56, 605,716.78 and 245,334.01 is: 338,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,926.56 : 605,716.78 = 245,334.01 : x
  2. Step 2: Convert to fraction form
    438,926.56/605,716.78 = 245,334.01/x
  3. Step 3: Cross multiply
    438,926.56x = 605,716.78 × 245,334.01
  4. Step 4: Simplify right side
    438,926.56x = 148,602,926,561.69
  5. Step 5: Solve for x
    x = 148,602,926,561.69/438,926.56
  6. Step 6: Final answer
    x = 338,559.89

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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.