Home / 651,474.85-899,086.23-419,109.29

Finding the Fourth Proportional to 651,474.85, 899,086.23 and 419,109.29

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Solution

The fourth proportional to 651,474.85, 899,086.23 and 419,109.29 is: 578,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,474.85 : 899,086.23 = 419,109.29 : x
  2. Step 2: Convert to fraction form
    651,474.85/899,086.23 = 419,109.29/x
  3. Step 3: Cross multiply
    651,474.85x = 899,086.23 × 419,109.29
  4. Step 4: Simplify right side
    651,474.85x = 376,815,390,380.22
  5. Step 5: Solve for x
    x = 376,815,390,380.22/651,474.85
  6. Step 6: Final answer
    x = 578,403.59

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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.