Home / 742,092.50-1,024,087.92-419,795.78

Finding the Fourth Proportional to 742,092.50, 1,024,087.92 and 419,795.78

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Solution

The fourth proportional to 742,092.50, 1,024,087.92 and 419,795.78 is: 579,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,092.50 : 1,024,087.92 = 419,795.78 : x
  2. Step 2: Convert to fraction form
    742,092.50/1,024,087.92 = 419,795.78/x
  3. Step 3: Cross multiply
    742,092.50x = 1,024,087.92 × 419,795.78
  4. Step 4: Simplify right side
    742,092.50x = 429,907,787,164.98
  5. Step 5: Solve for x
    x = 429,907,787,164.98/742,092.50
  6. Step 6: Final answer
    x = 579,318.33

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1.5x scale

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.