Home / 729,002.43-1,006,234.45-423,147.44

Finding the Fourth Proportional to 729,002.43, 1,006,234.45 and 423,147.44

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Solution

The fourth proportional to 729,002.43, 1,006,234.45 and 423,147.44 is: 584,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,002.43 : 1,006,234.45 = 423,147.44 : x
  2. Step 2: Convert to fraction form
    729,002.43/1,006,234.45 = 423,147.44/x
  3. Step 3: Cross multiply
    729,002.43x = 1,006,234.45 × 423,147.44
  4. Step 4: Simplify right side
    729,002.43x = 425,785,533,015.03
  5. Step 5: Solve for x
    x = 425,785,533,015.03/729,002.43
  6. Step 6: Final answer
    x = 584,066.00

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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.