Home / 438,926.33-605,716.44-245,333.76

Finding the Fourth Proportional to 438,926.33, 605,716.44 and 245,333.76

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Solution

The fourth proportional to 438,926.33, 605,716.44 and 245,333.76 is: 338,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,926.33 : 605,716.44 = 245,333.76 : x
  2. Step 2: Convert to fraction form
    438,926.33/605,716.44 = 245,333.76/x
  3. Step 3: Cross multiply
    438,926.33x = 605,716.44 × 245,333.76
  4. Step 4: Simplify right side
    438,926.33x = 148,602,691,719.01
  5. Step 5: Solve for x
    x = 148,602,691,719.01/438,926.33
  6. Step 6: Final answer
    x = 338,559.53

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1.5x scale

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.