Home / 824,518.20-1,236,777.30-658,630.20

Finding the Fourth Proportional to 824,518.20, 1,236,777.30 and 658,630.20

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Solution

The fourth proportional to 824,518.20, 1,236,777.30 and 658,630.20 is: 987,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,518.20 : 1,236,777.30 = 658,630.20 : x
  2. Step 2: Convert to fraction form
    824,518.20/1,236,777.30 = 658,630.20/x
  3. Step 3: Cross multiply
    824,518.20x = 1,236,777.30 × 658,630.20
  4. Step 4: Simplify right side
    824,518.20x = 814,578,880,454.46
  5. Step 5: Solve for x
    x = 814,578,880,454.46/824,518.20
  6. Step 6: Final answer
    x = 987,945.30

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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.