Home / 1,094,237.28-1,508,857.20-711,554.40

Finding the Fourth Proportional to 1,094,237.28, 1,508,857.20 and 711,554.40

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Solution

The fourth proportional to 1,094,237.28, 1,508,857.20 and 711,554.40 is: 981,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,237.28 : 1,508,857.20 = 711,554.40 : x
  2. Step 2: Convert to fraction form
    1,094,237.28/1,508,857.20 = 711,554.40/x
  3. Step 3: Cross multiply
    1,094,237.28x = 1,508,857.20 × 711,554.40
  4. Step 4: Simplify right side
    1,094,237.28x = 1,073,633,979,631.68
  5. Step 5: Solve for x
    x = 1,073,633,979,631.68/1,094,237.28
  6. Step 6: Final answer
    x = 981,171.09

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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.