Home / 1,246,136.91-1,719,666.77-673,175.31

Finding the Fourth Proportional to 1,246,136.91, 1,719,666.77 and 673,175.31

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Solution

The fourth proportional to 1,246,136.91, 1,719,666.77 and 673,175.31 is: 928,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,136.91 : 1,719,666.77 = 673,175.31 : x
  2. Step 2: Convert to fraction form
    1,246,136.91/1,719,666.77 = 673,175.31/x
  3. Step 3: Cross multiply
    1,246,136.91x = 1,719,666.77 × 673,175.31
  4. Step 4: Simplify right side
    1,246,136.91x = 1,157,637,207,625.57
  5. Step 5: Solve for x
    x = 1,157,637,207,625.57/1,246,136.91
  6. Step 6: Final answer
    x = 928,980.76

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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.