Home / 1,668,151.70-2,502,227.79-405,979.34

Finding the Fourth Proportional to 1,668,151.70, 2,502,227.79 and 405,979.34

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Solution

The fourth proportional to 1,668,151.70, 2,502,227.79 and 405,979.34 is: 608,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,151.70 : 2,502,227.79 = 405,979.34 : x
  2. Step 2: Convert to fraction form
    1,668,151.70/2,502,227.79 = 405,979.34/x
  3. Step 3: Cross multiply
    1,668,151.70x = 2,502,227.79 × 405,979.34
  4. Step 4: Simplify right side
    1,668,151.70x = 1,015,852,786,713.86
  5. Step 5: Solve for x
    x = 1,015,852,786,713.86/1,668,151.70
  6. Step 6: Final answer
    x = 608,969.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.