Home / 791,552.50-1,092,459.69-501,191.05

Finding the Fourth Proportional to 791,552.50, 1,092,459.69 and 501,191.05

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Solution

The fourth proportional to 791,552.50, 1,092,459.69 and 501,191.05 is: 691,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,552.50 : 1,092,459.69 = 501,191.05 : x
  2. Step 2: Convert to fraction form
    791,552.50/1,092,459.69 = 501,191.05/x
  3. Step 3: Cross multiply
    791,552.50x = 1,092,459.69 × 501,191.05
  4. Step 4: Simplify right side
    791,552.50x = 547,531,018,599.88
  5. Step 5: Solve for x
    x = 547,531,018,599.88/791,552.50
  6. Step 6: Final answer
    x = 691,717.88

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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.