Home / 681,394.23-1,020,891.72-607,174.92

Finding the Fourth Proportional to 681,394.23, 1,020,891.72 and 607,174.92

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Solution

The fourth proportional to 681,394.23, 1,020,891.72 and 607,174.92 is: 909,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,394.23 : 1,020,891.72 = 607,174.92 : x
  2. Step 2: Convert to fraction form
    681,394.23/1,020,891.72 = 607,174.92/x
  3. Step 3: Cross multiply
    681,394.23x = 1,020,891.72 × 607,174.92
  4. Step 4: Simplify right side
    681,394.23x = 619,859,848,419.66
  5. Step 5: Solve for x
    x = 619,859,848,419.66/681,394.23
  6. Step 6: Final answer
    x = 909,693.42

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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.