Home / 929,557.80-1,394,336.70-551,644.20

Finding the Fourth Proportional to 929,557.80, 1,394,336.70 and 551,644.20

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Solution

The fourth proportional to 929,557.80, 1,394,336.70 and 551,644.20 is: 827,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,557.80 : 1,394,336.70 = 551,644.20 : x
  2. Step 2: Convert to fraction form
    929,557.80/1,394,336.70 = 551,644.20/x
  3. Step 3: Cross multiply
    929,557.80x = 1,394,336.70 × 551,644.20
  4. Step 4: Simplify right side
    929,557.80x = 769,177,753,402.14
  5. Step 5: Solve for x
    x = 769,177,753,402.14/929,557.80
  6. Step 6: Final answer
    x = 827,466.30

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Double scale
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Similar ratio
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1.5x scale

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.