Home / 851,438.39-1,174,924.85-469,456.97

Finding the Fourth Proportional to 851,438.39, 1,174,924.85 and 469,456.97

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Solution

The fourth proportional to 851,438.39, 1,174,924.85 and 469,456.97 is: 647,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,438.39 : 1,174,924.85 = 469,456.97 : x
  2. Step 2: Convert to fraction form
    851,438.39/1,174,924.85 = 469,456.97/x
  3. Step 3: Cross multiply
    851,438.39x = 1,174,924.85 × 469,456.97
  4. Step 4: Simplify right side
    851,438.39x = 551,576,651,836.80
  5. Step 5: Solve for x
    x = 551,576,651,836.80/851,438.39
  6. Step 6: Final answer
    x = 647,817.46

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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.