Home / 711,576.50-982,296.21-453,799.36

Finding the Fourth Proportional to 711,576.50, 982,296.21 and 453,799.36

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Solution

The fourth proportional to 711,576.50, 982,296.21 and 453,799.36 is: 626,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,576.50 : 982,296.21 = 453,799.36 : x
  2. Step 2: Convert to fraction form
    711,576.50/982,296.21 = 453,799.36/x
  3. Step 3: Cross multiply
    711,576.50x = 982,296.21 × 453,799.36
  4. Step 4: Simplify right side
    711,576.50x = 445,765,394,358.04
  5. Step 5: Solve for x
    x = 445,765,394,358.04/711,576.50
  6. Step 6: Final answer
    x = 626,447.61

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1.5x scale

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.