Home / 1,206,514.01-1,664,988.34-662,664.51

Finding the Fourth Proportional to 1,206,514.01, 1,664,988.34 and 662,664.51

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Solution

The fourth proportional to 1,206,514.01, 1,664,988.34 and 662,664.51 is: 914,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,514.01 : 1,664,988.34 = 662,664.51 : x
  2. Step 2: Convert to fraction form
    1,206,514.01/1,664,988.34 = 662,664.51/x
  3. Step 3: Cross multiply
    1,206,514.01x = 1,664,988.34 × 662,664.51
  4. Step 4: Simplify right side
    1,206,514.01x = 1,103,328,684,987.62
  5. Step 5: Solve for x
    x = 1,103,328,684,987.62/1,206,514.01
  6. Step 6: Final answer
    x = 914,476.48

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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.