Home / 463,724.72-639,928.58-259,774.29

Finding the Fourth Proportional to 463,724.72, 639,928.58 and 259,774.29

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Solution

The fourth proportional to 463,724.72, 639,928.58 and 259,774.29 is: 358,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,724.72 : 639,928.58 = 259,774.29 : x
  2. Step 2: Convert to fraction form
    463,724.72/639,928.58 = 259,774.29/x
  3. Step 3: Cross multiply
    463,724.72x = 639,928.58 × 259,774.29
  4. Step 4: Simplify right side
    463,724.72x = 166,236,991,951.95
  5. Step 5: Solve for x
    x = 166,236,991,951.95/463,724.72
  6. Step 6: Final answer
    x = 358,482.06

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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.