Home / 981,196.80-1,471,017.60-537,964.80

Finding the Fourth Proportional to 981,196.80, 1,471,017.60 and 537,964.80

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Solution

The fourth proportional to 981,196.80, 1,471,017.60 and 537,964.80 is: 806,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,196.80 : 1,471,017.60 = 537,964.80 : x
  2. Step 2: Convert to fraction form
    981,196.80/1,471,017.60 = 537,964.80/x
  3. Step 3: Cross multiply
    981,196.80x = 1,471,017.60 × 537,964.80
  4. Step 4: Simplify right side
    981,196.80x = 791,355,688,980.48
  5. Step 5: Solve for x
    x = 791,355,688,980.48/981,196.80
  6. Step 6: Final answer
    x = 806,520.86

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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.