Home / 789,049.40-1,183,574.10-547,604.60

Finding the Fourth Proportional to 789,049.40, 1,183,574.10 and 547,604.60

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Solution

The fourth proportional to 789,049.40, 1,183,574.10 and 547,604.60 is: 821,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,049.40 : 1,183,574.10 = 547,604.60 : x
  2. Step 2: Convert to fraction form
    789,049.40/1,183,574.10 = 547,604.60/x
  3. Step 3: Cross multiply
    789,049.40x = 1,183,574.10 × 547,604.60
  4. Step 4: Simplify right side
    789,049.40x = 648,130,621,600.86
  5. Step 5: Solve for x
    x = 648,130,621,600.86/789,049.40
  6. Step 6: Final answer
    x = 821,406.90

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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.