Home / 421,774.33-582,048.58-230,787.72

Finding the Fourth Proportional to 421,774.33, 582,048.58 and 230,787.72

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Solution

The fourth proportional to 421,774.33, 582,048.58 and 230,787.72 is: 318,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,774.33 : 582,048.58 = 230,787.72 : x
  2. Step 2: Convert to fraction form
    421,774.33/582,048.58 = 230,787.72/x
  3. Step 3: Cross multiply
    421,774.33x = 582,048.58 × 230,787.72
  4. Step 4: Simplify right side
    421,774.33x = 134,329,663,553.50
  5. Step 5: Solve for x
    x = 134,329,663,553.50/421,774.33
  6. Step 6: Final answer
    x = 318,487.05

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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.