Home / 541,410.11-811,834.82-288,622.70

Finding the Fourth Proportional to 541,410.11, 811,834.82 and 288,622.70

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Solution

The fourth proportional to 541,410.11, 811,834.82 and 288,622.70 is: 432,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,410.11 : 811,834.82 = 288,622.70 : x
  2. Step 2: Convert to fraction form
    541,410.11/811,834.82 = 288,622.70/x
  3. Step 3: Cross multiply
    541,410.11x = 811,834.82 × 288,622.70
  4. Step 4: Simplify right side
    541,410.11x = 234,313,960,453.56
  5. Step 5: Solve for x
    x = 234,313,960,453.56/541,410.11
  6. Step 6: Final answer
    x = 432,784.60

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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.