Home / 572,540.30-858,482.40-173,121.20

Finding the Fourth Proportional to 572,540.30, 858,482.40 and 173,121.20

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Solution

The fourth proportional to 572,540.30, 858,482.40 and 173,121.20 is: 259,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,540.30 : 858,482.40 = 173,121.20 : x
  2. Step 2: Convert to fraction form
    572,540.30/858,482.40 = 173,121.20/x
  3. Step 3: Cross multiply
    572,540.30x = 858,482.40 × 173,121.20
  4. Step 4: Simplify right side
    572,540.30x = 148,621,503,266.88
  5. Step 5: Solve for x
    x = 148,621,503,266.88/572,540.30
  6. Step 6: Final answer
    x = 259,582.61

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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.