Home / 1,217,103.26-1,679,473.20-673,152.62

Finding the Fourth Proportional to 1,217,103.26, 1,679,473.20 and 673,152.62

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Solution

The fourth proportional to 1,217,103.26, 1,679,473.20 and 673,152.62 is: 928,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,103.26 : 1,679,473.20 = 673,152.62 : x
  2. Step 2: Convert to fraction form
    1,217,103.26/1,679,473.20 = 673,152.62/x
  3. Step 3: Cross multiply
    1,217,103.26x = 1,679,473.20 × 673,152.62
  4. Step 4: Simplify right side
    1,217,103.26x = 1,130,541,784,799.78
  5. Step 5: Solve for x
    x = 1,130,541,784,799.78/1,217,103.26
  6. Step 6: Final answer
    x = 928,879.10

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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.