Home / 771,883.92-1,065,183.84-427,716.83

Finding the Fourth Proportional to 771,883.92, 1,065,183.84 and 427,716.83

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Solution

The fourth proportional to 771,883.92, 1,065,183.84 and 427,716.83 is: 590,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,883.92 : 1,065,183.84 = 427,716.83 : x
  2. Step 2: Convert to fraction form
    771,883.92/1,065,183.84 = 427,716.83/x
  3. Step 3: Cross multiply
    771,883.92x = 1,065,183.84 × 427,716.83
  4. Step 4: Simplify right side
    771,883.92x = 455,597,058,074.99
  5. Step 5: Solve for x
    x = 455,597,058,074.99/771,883.92
  6. Step 6: Final answer
    x = 590,240.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.