Home / 779,826.20-1,169,739.30-188,850.20

Finding the Fourth Proportional to 779,826.20, 1,169,739.30 and 188,850.20

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Solution

The fourth proportional to 779,826.20, 1,169,739.30 and 188,850.20 is: 283,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,826.20 : 1,169,739.30 = 188,850.20 : x
  2. Step 2: Convert to fraction form
    779,826.20/1,169,739.30 = 188,850.20/x
  3. Step 3: Cross multiply
    779,826.20x = 1,169,739.30 × 188,850.20
  4. Step 4: Simplify right side
    779,826.20x = 220,905,500,752.86
  5. Step 5: Solve for x
    x = 220,905,500,752.86/779,826.20
  6. Step 6: Final answer
    x = 283,275.30

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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.