Home / 566,183.10-781,329.75-311,533.26

Finding the Fourth Proportional to 566,183.10, 781,329.75 and 311,533.26

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Solution

The fourth proportional to 566,183.10, 781,329.75 and 311,533.26 is: 429,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,183.10 : 781,329.75 = 311,533.26 : x
  2. Step 2: Convert to fraction form
    566,183.10/781,329.75 = 311,533.26/x
  3. Step 3: Cross multiply
    566,183.10x = 781,329.75 × 311,533.26
  4. Step 4: Simplify right side
    566,183.10x = 243,410,204,152.49
  5. Step 5: Solve for x
    x = 243,410,204,152.49/566,183.10
  6. Step 6: Final answer
    x = 429,914.29

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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.