Home / 824,444.20-1,236,666.30-658,556.20

Finding the Fourth Proportional to 824,444.20, 1,236,666.30 and 658,556.20

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Solution

The fourth proportional to 824,444.20, 1,236,666.30 and 658,556.20 is: 987,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,444.20 : 1,236,666.30 = 658,556.20 : x
  2. Step 2: Convert to fraction form
    824,444.20/1,236,666.30 = 658,556.20/x
  3. Step 3: Cross multiply
    824,444.20x = 1,236,666.30 × 658,556.20
  4. Step 4: Simplify right side
    824,444.20x = 814,414,259,196.06
  5. Step 5: Solve for x
    x = 814,414,259,196.06/824,444.20
  6. Step 6: Final answer
    x = 987,834.30

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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.