Home / 579,579.88-869,276.52-158,757.40

Finding the Fourth Proportional to 579,579.88, 869,276.52 and 158,757.40

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Solution

The fourth proportional to 579,579.88, 869,276.52 and 158,757.40 is: 238,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,579.88 : 869,276.52 = 158,757.40 : x
  2. Step 2: Convert to fraction form
    579,579.88/869,276.52 = 158,757.40/x
  3. Step 3: Cross multiply
    579,579.88x = 869,276.52 × 158,757.40
  4. Step 4: Simplify right side
    579,579.88x = 138,004,080,196.25
  5. Step 5: Solve for x
    x = 138,004,080,196.25/579,579.88
  6. Step 6: Final answer
    x = 238,110.54

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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.