Home / 533,861.56-736,723.45-304,456.20

Finding the Fourth Proportional to 533,861.56, 736,723.45 and 304,456.20

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Solution

The fourth proportional to 533,861.56, 736,723.45 and 304,456.20 is: 420,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,861.56 : 736,723.45 = 304,456.20 : x
  2. Step 2: Convert to fraction form
    533,861.56/736,723.45 = 304,456.20/x
  3. Step 3: Cross multiply
    533,861.56x = 736,723.45 × 304,456.20
  4. Step 4: Simplify right side
    533,861.56x = 224,300,022,037.89
  5. Step 5: Solve for x
    x = 224,300,022,037.89/533,861.56
  6. Step 6: Final answer
    x = 420,146.42

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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.