Home / 851,171.22-1,174,699.13-635,937.62

Finding the Fourth Proportional to 851,171.22, 1,174,699.13 and 635,937.62

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Solution

The fourth proportional to 851,171.22, 1,174,699.13 and 635,937.62 is: 877,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,171.22 : 1,174,699.13 = 635,937.62 : x
  2. Step 2: Convert to fraction form
    851,171.22/1,174,699.13 = 635,937.62/x
  3. Step 3: Cross multiply
    851,171.22x = 1,174,699.13 × 635,937.62
  4. Step 4: Simplify right side
    851,171.22x = 747,035,359,895.09
  5. Step 5: Solve for x
    x = 747,035,359,895.09/851,171.22
  6. Step 6: Final answer
    x = 877,655.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.