Home / 653,568.48-979,933.14-253,783.26

Finding the Fourth Proportional to 653,568.48, 979,933.14 and 253,783.26

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Solution

The fourth proportional to 653,568.48, 979,933.14 and 253,783.26 is: 380,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,568.48 : 979,933.14 = 253,783.26 : x
  2. Step 2: Convert to fraction form
    653,568.48/979,933.14 = 253,783.26/x
  3. Step 3: Cross multiply
    653,568.48x = 979,933.14 × 253,783.26
  4. Step 4: Simplify right side
    653,568.48x = 248,690,626,851.24
  5. Step 5: Solve for x
    x = 248,690,626,851.24/653,568.48
  6. Step 6: Final answer
    x = 380,511.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.