Home / 1,218,169.67-1,681,053.77-674,293.79

Finding the Fourth Proportional to 1,218,169.67, 1,681,053.77 and 674,293.79

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Solution

The fourth proportional to 1,218,169.67, 1,681,053.77 and 674,293.79 is: 930,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,169.67 : 1,681,053.77 = 674,293.79 : x
  2. Step 2: Convert to fraction form
    1,218,169.67/1,681,053.77 = 674,293.79/x
  3. Step 3: Cross multiply
    1,218,169.67x = 1,681,053.77 × 674,293.79
  4. Step 4: Simplify right side
    1,218,169.67x = 1,133,524,105,990.35
  5. Step 5: Solve for x
    x = 1,133,524,105,990.35/1,218,169.67
  6. Step 6: Final answer
    x = 930,514.15

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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.