Home / 742,511.25-1,111,882.92-622,251.96

Finding the Fourth Proportional to 742,511.25, 1,111,882.92 and 622,251.96

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Solution

The fourth proportional to 742,511.25, 1,111,882.92 and 622,251.96 is: 931,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,511.25 : 1,111,882.92 = 622,251.96 : x
  2. Step 2: Convert to fraction form
    742,511.25/1,111,882.92 = 622,251.96/x
  3. Step 3: Cross multiply
    742,511.25x = 1,111,882.92 × 622,251.96
  4. Step 4: Simplify right side
    742,511.25x = 691,871,326,260.52
  5. Step 5: Solve for x
    x = 691,871,326,260.52/742,511.25
  6. Step 6: Final answer
    x = 931,799.12

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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.