Home / 534,341.20-800,831.40-218,441.20

Finding the Fourth Proportional to 534,341.20, 800,831.40 and 218,441.20

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Solution

The fourth proportional to 534,341.20, 800,831.40 and 218,441.20 is: 327,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,341.20 : 800,831.40 = 218,441.20 : x
  2. Step 2: Convert to fraction form
    534,341.20/800,831.40 = 218,441.20/x
  3. Step 3: Cross multiply
    534,341.20x = 800,831.40 × 218,441.20
  4. Step 4: Simplify right side
    534,341.20x = 174,934,572,013.68
  5. Step 5: Solve for x
    x = 174,934,572,013.68/534,341.20
  6. Step 6: Final answer
    x = 327,383.65

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1.5x scale

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.