Home / 724,405.17-1,086,607.76-251,090.53

Finding the Fourth Proportional to 724,405.17, 1,086,607.76 and 251,090.53

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Solution

The fourth proportional to 724,405.17, 1,086,607.76 and 251,090.53 is: 376,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,405.17 : 1,086,607.76 = 251,090.53 : x
  2. Step 2: Convert to fraction form
    724,405.17/1,086,607.76 = 251,090.53/x
  3. Step 3: Cross multiply
    724,405.17x = 1,086,607.76 × 251,090.53
  4. Step 4: Simplify right side
    724,405.17x = 272,836,921,913.09
  5. Step 5: Solve for x
    x = 272,836,921,913.09/724,405.17
  6. Step 6: Final answer
    x = 376,635.80

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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.