Home / 541,410.36-811,835.20-288,622.95

Finding the Fourth Proportional to 541,410.36, 811,835.20 and 288,622.95

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Solution

The fourth proportional to 541,410.36, 811,835.20 and 288,622.95 is: 432,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,410.36 : 811,835.20 = 288,622.95 : x
  2. Step 2: Convert to fraction form
    541,410.36/811,835.20 = 288,622.95/x
  3. Step 3: Cross multiply
    541,410.36x = 811,835.20 × 288,622.95
  4. Step 4: Simplify right side
    541,410.36x = 234,314,268,894.73
  5. Step 5: Solve for x
    x = 234,314,268,894.73/541,410.36
  6. Step 6: Final answer
    x = 432,784.97

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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.