Home / 940,891.95-1,298,437.11-511,171.97

Finding the Fourth Proportional to 940,891.95, 1,298,437.11 and 511,171.97

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Solution

The fourth proportional to 940,891.95, 1,298,437.11 and 511,171.97 is: 705,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,891.95 : 1,298,437.11 = 511,171.97 : x
  2. Step 2: Convert to fraction form
    940,891.95/1,298,437.11 = 511,171.97/x
  3. Step 3: Cross multiply
    940,891.95x = 1,298,437.11 × 511,171.97
  4. Step 4: Simplify right side
    940,891.95x = 663,724,648,947.62
  5. Step 5: Solve for x
    x = 663,724,648,947.62/940,891.95
  6. Step 6: Final answer
    x = 705,420.69

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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.