Home / 1,554,571.38-2,331,918.51-432,738.42

Finding the Fourth Proportional to 1,554,571.38, 2,331,918.51 and 432,738.42

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Solution

The fourth proportional to 1,554,571.38, 2,331,918.51 and 432,738.42 is: 649,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,571.38 : 2,331,918.51 = 432,738.42 : x
  2. Step 2: Convert to fraction form
    1,554,571.38/2,331,918.51 = 432,738.42/x
  3. Step 3: Cross multiply
    1,554,571.38x = 2,331,918.51 × 432,738.42
  4. Step 4: Simplify right side
    1,554,571.38x = 1,009,110,731,586.15
  5. Step 5: Solve for x
    x = 1,009,110,731,586.15/1,554,571.38
  6. Step 6: Final answer
    x = 649,124.73

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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.