Home / 693,712.80-1,040,569.20-195,076.80

Finding the Fourth Proportional to 693,712.80, 1,040,569.20 and 195,076.80

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Solution

The fourth proportional to 693,712.80, 1,040,569.20 and 195,076.80 is: 292,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,712.80 : 1,040,569.20 = 195,076.80 : x
  2. Step 2: Convert to fraction form
    693,712.80/1,040,569.20 = 195,076.80/x
  3. Step 3: Cross multiply
    693,712.80x = 1,040,569.20 × 195,076.80
  4. Step 4: Simplify right side
    693,712.80x = 202,990,909,714.56
  5. Step 5: Solve for x
    x = 202,990,909,714.56/693,712.80
  6. Step 6: Final answer
    x = 292,615.20

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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.