Home / 619,899.20-929,935.20-264,910.40

Finding the Fourth Proportional to 619,899.20, 929,935.20 and 264,910.40

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Solution

The fourth proportional to 619,899.20, 929,935.20 and 264,910.40 is: 397,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,899.20 : 929,935.20 = 264,910.40 : x
  2. Step 2: Convert to fraction form
    619,899.20/929,935.20 = 264,910.40/x
  3. Step 3: Cross multiply
    619,899.20x = 929,935.20 × 264,910.40
  4. Step 4: Simplify right side
    619,899.20x = 246,349,505,806.08
  5. Step 5: Solve for x
    x = 246,349,505,806.08/619,899.20
  6. Step 6: Final answer
    x = 397,402.52

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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.