Home / 438,849.07-605,603.11-245,258.56

Finding the Fourth Proportional to 438,849.07, 605,603.11 and 245,258.56

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Solution

The fourth proportional to 438,849.07, 605,603.11 and 245,258.56 is: 338,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,849.07 : 605,603.11 = 245,258.56 : x
  2. Step 2: Convert to fraction form
    438,849.07/605,603.11 = 245,258.56/x
  3. Step 3: Cross multiply
    438,849.07x = 605,603.11 × 245,258.56
  4. Step 4: Simplify right side
    438,849.07x = 148,529,346,690.12
  5. Step 5: Solve for x
    x = 148,529,346,690.12/438,849.07
  6. Step 6: Final answer
    x = 338,452.00

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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.