Home / 811,079.40-1,217,310.30-362,490.60

Finding the Fourth Proportional to 811,079.40, 1,217,310.30 and 362,490.60

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Solution

The fourth proportional to 811,079.40, 1,217,310.30 and 362,490.60 is: 544,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,079.40 : 1,217,310.30 = 362,490.60 : x
  2. Step 2: Convert to fraction form
    811,079.40/1,217,310.30 = 362,490.60/x
  3. Step 3: Cross multiply
    811,079.40x = 1,217,310.30 × 362,490.60
  4. Step 4: Simplify right side
    811,079.40x = 441,263,541,033.18
  5. Step 5: Solve for x
    x = 441,263,541,033.18/811,079.40
  6. Step 6: Final answer
    x = 544,044.81

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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.