Home / 426,930.93-589,439.57-274,035.33

Finding the Fourth Proportional to 426,930.93, 589,439.57 and 274,035.33

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Solution

The fourth proportional to 426,930.93, 589,439.57 and 274,035.33 is: 378,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,930.93 : 589,439.57 = 274,035.33 : x
  2. Step 2: Convert to fraction form
    426,930.93/589,439.57 = 274,035.33/x
  3. Step 3: Cross multiply
    426,930.93x = 589,439.57 × 274,035.33
  4. Step 4: Simplify right side
    426,930.93x = 161,527,265,709.83
  5. Step 5: Solve for x
    x = 161,527,265,709.83/426,930.93
  6. Step 6: Final answer
    x = 378,345.19

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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.