Home / 572,538.30-858,479.40-173,119.20

Finding the Fourth Proportional to 572,538.30, 858,479.40 and 173,119.20

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Solution

The fourth proportional to 572,538.30, 858,479.40 and 173,119.20 is: 259,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,538.30 : 858,479.40 = 173,119.20 : x
  2. Step 2: Convert to fraction form
    572,538.30/858,479.40 = 173,119.20/x
  3. Step 3: Cross multiply
    572,538.30x = 858,479.40 × 173,119.20
  4. Step 4: Simplify right side
    572,538.30x = 148,619,266,944.48
  5. Step 5: Solve for x
    x = 148,619,266,944.48/572,538.30
  6. Step 6: Final answer
    x = 259,579.61

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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.