Home / 572,622.60-858,715.20-173,130.60

Finding the Fourth Proportional to 572,622.60, 858,715.20 and 173,130.60

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Solution

The fourth proportional to 572,622.60, 858,715.20 and 173,130.60 is: 259,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,622.60 : 858,715.20 = 173,130.60 : x
  2. Step 2: Convert to fraction form
    572,622.60/858,715.20 = 173,130.60/x
  3. Step 3: Cross multiply
    572,622.60x = 858,715.20 × 173,130.60
  4. Step 4: Simplify right side
    572,622.60x = 148,669,877,805.12
  5. Step 5: Solve for x
    x = 148,669,877,805.12/572,622.60
  6. Step 6: Final answer
    x = 259,629.78

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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.