Home / 504,828.56-696,609.58-278,474.04

Finding the Fourth Proportional to 504,828.56, 696,609.58 and 278,474.04

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Solution

The fourth proportional to 504,828.56, 696,609.58 and 278,474.04 is: 384,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,828.56 : 696,609.58 = 278,474.04 : x
  2. Step 2: Convert to fraction form
    504,828.56/696,609.58 = 278,474.04/x
  3. Step 3: Cross multiply
    504,828.56x = 696,609.58 × 278,474.04
  4. Step 4: Simplify right side
    504,828.56x = 193,987,684,045.30
  5. Step 5: Solve for x
    x = 193,987,684,045.30/504,828.56
  6. Step 6: Final answer
    x = 384,264.48

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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.