Home / 572,020.47-858,080.51-187,654.04

Finding the Fourth Proportional to 572,020.47, 858,080.51 and 187,654.04

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Solution

The fourth proportional to 572,020.47, 858,080.51 and 187,654.04 is: 281,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,020.47 : 858,080.51 = 187,654.04 : x
  2. Step 2: Convert to fraction form
    572,020.47/858,080.51 = 187,654.04/x
  3. Step 3: Cross multiply
    572,020.47x = 858,080.51 × 187,654.04
  4. Step 4: Simplify right side
    572,020.47x = 161,022,269,118.09
  5. Step 5: Solve for x
    x = 161,022,269,118.09/572,020.47
  6. Step 6: Final answer
    x = 281,497.39

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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.