Home / 409,562.20-565,127.31-228,234.39

Finding the Fourth Proportional to 409,562.20, 565,127.31 and 228,234.39

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Solution

The fourth proportional to 409,562.20, 565,127.31 and 228,234.39 is: 314,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,562.20 : 565,127.31 = 228,234.39 : x
  2. Step 2: Convert to fraction form
    409,562.20/565,127.31 = 228,234.39/x
  3. Step 3: Cross multiply
    409,562.20x = 565,127.31 × 228,234.39
  4. Step 4: Simplify right side
    409,562.20x = 128,981,486,870.19
  5. Step 5: Solve for x
    x = 128,981,486,870.19/409,562.20
  6. Step 6: Final answer
    x = 314,925.27

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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.