Home / 466,238.82-643,403.43-262,289.10

Finding the Fourth Proportional to 466,238.82, 643,403.43 and 262,289.10

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Solution

The fourth proportional to 466,238.82, 643,403.43 and 262,289.10 is: 361,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,238.82 : 643,403.43 = 262,289.10 : x
  2. Step 2: Convert to fraction form
    466,238.82/643,403.43 = 262,289.10/x
  3. Step 3: Cross multiply
    466,238.82x = 643,403.43 × 262,289.10
  4. Step 4: Simplify right side
    466,238.82x = 168,757,706,591.61
  5. Step 5: Solve for x
    x = 168,757,706,591.61/466,238.82
  6. Step 6: Final answer
    x = 361,955.50

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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.