Home / 1,086,185.82-1,499,227.02-678,041.76

Finding the Fourth Proportional to 1,086,185.82, 1,499,227.02 and 678,041.76

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Solution

The fourth proportional to 1,086,185.82, 1,499,227.02 and 678,041.76 is: 935,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,185.82 : 1,499,227.02 = 678,041.76 : x
  2. Step 2: Convert to fraction form
    1,086,185.82/1,499,227.02 = 678,041.76/x
  3. Step 3: Cross multiply
    1,086,185.82x = 1,499,227.02 × 678,041.76
  4. Step 4: Simplify right side
    1,086,185.82x = 1,016,538,527,280.36
  5. Step 5: Solve for x
    x = 1,016,538,527,280.36/1,086,185.82
  6. Step 6: Final answer
    x = 935,879.03

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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.