Home / 438,928.56-605,719.54-245,336.01

Finding the Fourth Proportional to 438,928.56, 605,719.54 and 245,336.01

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Solution

The fourth proportional to 438,928.56, 605,719.54 and 245,336.01 is: 338,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,928.56 : 605,719.54 = 245,336.01 : x
  2. Step 2: Convert to fraction form
    438,928.56/605,719.54 = 245,336.01/x
  3. Step 3: Cross multiply
    438,928.56x = 605,719.54 × 245,336.01
  4. Step 4: Simplify right side
    438,928.56x = 148,604,815,122.64
  5. Step 5: Solve for x
    x = 148,604,815,122.64/438,928.56
  6. Step 6: Final answer
    x = 338,562.65

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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.