Home / 529,733.94-789,610.56-487,218.66

Finding the Fourth Proportional to 529,733.94, 789,610.56 and 487,218.66

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Solution

The fourth proportional to 529,733.94, 789,610.56 and 487,218.66 is: 726,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,733.94 : 789,610.56 = 487,218.66 : x
  2. Step 2: Convert to fraction form
    529,733.94/789,610.56 = 487,218.66/x
  3. Step 3: Cross multiply
    529,733.94x = 789,610.56 × 487,218.66
  4. Step 4: Simplify right side
    529,733.94x = 384,712,998,965.05
  5. Step 5: Solve for x
    x = 384,712,998,965.05/529,733.94
  6. Step 6: Final answer
    x = 726,238.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.