Home / 1,208,369.49-1,667,514.65-664,504.71

Finding the Fourth Proportional to 1,208,369.49, 1,667,514.65 and 664,504.71

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Solution

The fourth proportional to 1,208,369.49, 1,667,514.65 and 664,504.71 is: 916,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,369.49 : 1,667,514.65 = 664,504.71 : x
  2. Step 2: Convert to fraction form
    1,208,369.49/1,667,514.65 = 664,504.71/x
  3. Step 3: Cross multiply
    1,208,369.49x = 1,667,514.65 × 664,504.71
  4. Step 4: Simplify right side
    1,208,369.49x = 1,108,071,335,596.48
  5. Step 5: Solve for x
    x = 1,108,071,335,596.48/1,208,369.49
  6. Step 6: Final answer
    x = 916,997.11

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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.