Home / 824,443.20-1,236,664.80-658,555.20

Finding the Fourth Proportional to 824,443.20, 1,236,664.80 and 658,555.20

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Solution

The fourth proportional to 824,443.20, 1,236,664.80 and 658,555.20 is: 987,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,443.20 : 1,236,664.80 = 658,555.20 : x
  2. Step 2: Convert to fraction form
    824,443.20/1,236,664.80 = 658,555.20/x
  3. Step 3: Cross multiply
    824,443.20x = 1,236,664.80 × 658,555.20
  4. Step 4: Simplify right side
    824,443.20x = 814,412,034,696.96
  5. Step 5: Solve for x
    x = 814,412,034,696.96/824,443.20
  6. Step 6: Final answer
    x = 987,832.80

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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.