Home / 779,738.20-1,169,607.30-405,712.60

Finding the Fourth Proportional to 779,738.20, 1,169,607.30 and 405,712.60

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Solution

The fourth proportional to 779,738.20, 1,169,607.30 and 405,712.60 is: 608,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,738.20 : 1,169,607.30 = 405,712.60 : x
  2. Step 2: Convert to fraction form
    779,738.20/1,169,607.30 = 405,712.60/x
  3. Step 3: Cross multiply
    779,738.20x = 1,169,607.30 × 405,712.60
  4. Step 4: Simplify right side
    779,738.20x = 474,524,418,661.98
  5. Step 5: Solve for x
    x = 474,524,418,661.98/779,738.20
  6. Step 6: Final answer
    x = 608,568.90

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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.