Home / 613,286.10-918,179.55-543,302.10

Finding the Fourth Proportional to 613,286.10, 918,179.55 and 543,302.10

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Solution

The fourth proportional to 613,286.10, 918,179.55 and 543,302.10 is: 813,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,286.10 : 918,179.55 = 543,302.10 : x
  2. Step 2: Convert to fraction form
    613,286.10/918,179.55 = 543,302.10/x
  3. Step 3: Cross multiply
    613,286.10x = 918,179.55 × 543,302.10
  4. Step 4: Simplify right side
    613,286.10x = 498,848,877,692.06
  5. Step 5: Solve for x
    x = 498,848,877,692.06/613,286.10
  6. Step 6: Final answer
    x = 813,403.20

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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.