Home / 540,775.29-811,243.64-199,192.69

Finding the Fourth Proportional to 540,775.29, 811,243.64 and 199,192.69

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Solution

The fourth proportional to 540,775.29, 811,243.64 and 199,192.69 is: 298,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,775.29 : 811,243.64 = 199,192.69 : x
  2. Step 2: Convert to fraction form
    540,775.29/811,243.64 = 199,192.69/x
  3. Step 3: Cross multiply
    540,775.29x = 811,243.64 × 199,192.69
  4. Step 4: Simplify right side
    540,775.29x = 161,593,804,409.03
  5. Step 5: Solve for x
    x = 161,593,804,409.03/540,775.29
  6. Step 6: Final answer
    x = 298,818.76

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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.