Home / 711,947.73-982,369.76-406,046.34

Finding the Fourth Proportional to 711,947.73, 982,369.76 and 406,046.34

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Solution

The fourth proportional to 711,947.73, 982,369.76 and 406,046.34 is: 560,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,947.73 : 982,369.76 = 406,046.34 : x
  2. Step 2: Convert to fraction form
    711,947.73/982,369.76 = 406,046.34/x
  3. Step 3: Cross multiply
    711,947.73x = 982,369.76 × 406,046.34
  4. Step 4: Simplify right side
    711,947.73x = 398,887,646,589.79
  5. Step 5: Solve for x
    x = 398,887,646,589.79/711,947.73
  6. Step 6: Final answer
    x = 560,276.59

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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.