Home / 572,628.60-858,724.20-173,136.60

Finding the Fourth Proportional to 572,628.60, 858,724.20 and 173,136.60

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Solution

The fourth proportional to 572,628.60, 858,724.20 and 173,136.60 is: 259,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,628.60 : 858,724.20 = 173,136.60 : x
  2. Step 2: Convert to fraction form
    572,628.60/858,724.20 = 173,136.60/x
  3. Step 3: Cross multiply
    572,628.60x = 858,724.20 × 173,136.60
  4. Step 4: Simplify right side
    572,628.60x = 148,676,588,325.72
  5. Step 5: Solve for x
    x = 148,676,588,325.72/572,628.60
  6. Step 6: Final answer
    x = 259,638.78

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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.