Home / 530,919.36-794,507.40-331,333.20

Finding the Fourth Proportional to 530,919.36, 794,507.40 and 331,333.20

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Solution

The fourth proportional to 530,919.36, 794,507.40 and 331,333.20 is: 495,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,919.36 : 794,507.40 = 331,333.20 : x
  2. Step 2: Convert to fraction form
    530,919.36/794,507.40 = 331,333.20/x
  3. Step 3: Cross multiply
    530,919.36x = 794,507.40 × 331,333.20
  4. Step 4: Simplify right side
    530,919.36x = 263,246,679,265.68
  5. Step 5: Solve for x
    x = 263,246,679,265.68/530,919.36
  6. Step 6: Final answer
    x = 495,831.76

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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.