Home / 664,026.66-916,354.89-362,218.50

Finding the Fourth Proportional to 664,026.66, 916,354.89 and 362,218.50

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Solution

The fourth proportional to 664,026.66, 916,354.89 and 362,218.50 is: 499,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,026.66 : 916,354.89 = 362,218.50 : x
  2. Step 2: Convert to fraction form
    664,026.66/916,354.89 = 362,218.50/x
  3. Step 3: Cross multiply
    664,026.66x = 916,354.89 × 362,218.50
  4. Step 4: Simplify right side
    664,026.66x = 331,920,693,723.47
  5. Step 5: Solve for x
    x = 331,920,693,723.47/664,026.66
  6. Step 6: Final answer
    x = 499,860.49

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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.