Home / 992,201.22-1,487,820.36-581,982.58

Finding the Fourth Proportional to 992,201.22, 1,487,820.36 and 581,982.58

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Solution

The fourth proportional to 992,201.22, 1,487,820.36 and 581,982.58 is: 872,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,201.22 : 1,487,820.36 = 581,982.58 : x
  2. Step 2: Convert to fraction form
    992,201.22/1,487,820.36 = 581,982.58/x
  3. Step 3: Cross multiply
    992,201.22x = 1,487,820.36 × 581,982.58
  4. Step 4: Simplify right side
    992,201.22x = 865,885,531,689.33
  5. Step 5: Solve for x
    x = 865,885,531,689.33/992,201.22
  6. Step 6: Final answer
    x = 872,691.46

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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.