Home / 789,114.30-1,183,671.45-505,679.10

Finding the Fourth Proportional to 789,114.30, 1,183,671.45 and 505,679.10

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Solution

The fourth proportional to 789,114.30, 1,183,671.45 and 505,679.10 is: 758,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,114.30 : 1,183,671.45 = 505,679.10 : x
  2. Step 2: Convert to fraction form
    789,114.30/1,183,671.45 = 505,679.10/x
  3. Step 3: Cross multiply
    789,114.30x = 1,183,671.45 × 505,679.10
  4. Step 4: Simplify right side
    789,114.30x = 598,557,913,531.70
  5. Step 5: Solve for x
    x = 598,557,913,531.70/789,114.30
  6. Step 6: Final answer
    x = 758,518.65

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Half scale
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Double scale
Find fourth proportional to 789,115.30, 1,183,672.95 and 505,680.10
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.