Home / 996,168.98-1,374,728.46-543,459.98

Finding the Fourth Proportional to 996,168.98, 1,374,728.46 and 543,459.98

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Solution

The fourth proportional to 996,168.98, 1,374,728.46 and 543,459.98 is: 749,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,168.98 : 1,374,728.46 = 543,459.98 : x
  2. Step 2: Convert to fraction form
    996,168.98/1,374,728.46 = 543,459.98/x
  3. Step 3: Cross multiply
    996,168.98x = 1,374,728.46 × 543,459.98
  4. Step 4: Simplify right side
    996,168.98x = 747,109,901,377.03
  5. Step 5: Solve for x
    x = 747,109,901,377.03/996,168.98
  6. Step 6: Final answer
    x = 749,983.10

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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.