Home / 981,964.17-1,355,089.28-568,518.39

Finding the Fourth Proportional to 981,964.17, 1,355,089.28 and 568,518.39

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Solution

The fourth proportional to 981,964.17, 1,355,089.28 and 568,518.39 is: 784,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,964.17 : 1,355,089.28 = 568,518.39 : x
  2. Step 2: Convert to fraction form
    981,964.17/1,355,089.28 = 568,518.39/x
  3. Step 3: Cross multiply
    981,964.17x = 1,355,089.28 × 568,518.39
  4. Step 4: Simplify right side
    981,964.17x = 770,393,172,929.27
  5. Step 5: Solve for x
    x = 770,393,172,929.27/981,964.17
  6. Step 6: Final answer
    x = 784,543.06

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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.