Home / 571,621.34-857,543.18-172,242.33

Finding the Fourth Proportional to 571,621.34, 857,543.18 and 172,242.33

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Solution

The fourth proportional to 571,621.34, 857,543.18 and 172,242.33 is: 258,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,621.34 : 857,543.18 = 172,242.33 : x
  2. Step 2: Convert to fraction form
    571,621.34/857,543.18 = 172,242.33/x
  3. Step 3: Cross multiply
    571,621.34x = 857,543.18 × 172,242.33
  4. Step 4: Simplify right side
    571,621.34x = 147,705,234,537.60
  5. Step 5: Solve for x
    x = 147,705,234,537.60/571,621.34
  6. Step 6: Final answer
    x = 258,396.99

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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.