Home / 414,831.43-622,618.08-212,565.52

Finding the Fourth Proportional to 414,831.43, 622,618.08 and 212,565.52

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Solution

The fourth proportional to 414,831.43, 622,618.08 and 212,565.52 is: 319,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,831.43 : 622,618.08 = 212,565.52 : x
  2. Step 2: Convert to fraction form
    414,831.43/622,618.08 = 212,565.52/x
  3. Step 3: Cross multiply
    414,831.43x = 622,618.08 × 212,565.52
  4. Step 4: Simplify right side
    414,831.43x = 132,347,135,936.60
  5. Step 5: Solve for x
    x = 132,347,135,936.60/414,831.43
  6. Step 6: Final answer
    x = 319,038.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.