Home / 427,815.38-590,389.89-236,831.96

Finding the Fourth Proportional to 427,815.38, 590,389.89 and 236,831.96

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Solution

The fourth proportional to 427,815.38, 590,389.89 and 236,831.96 is: 326,830.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,815.38 : 590,389.89 = 236,831.96 : x
  2. Step 2: Convert to fraction form
    427,815.38/590,389.89 = 236,831.96/x
  3. Step 3: Cross multiply
    427,815.38x = 590,389.89 × 236,831.96
  4. Step 4: Simplify right side
    427,815.38x = 139,823,194,812.88
  5. Step 5: Solve for x
    x = 139,823,194,812.88/427,815.38
  6. Step 6: Final answer
    x = 326,830.69

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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.