Home / 1,288,541.09-1,932,809.19-341,837.39

Finding the Fourth Proportional to 1,288,541.09, 1,932,809.19 and 341,837.39

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Solution

The fourth proportional to 1,288,541.09, 1,932,809.19 and 341,837.39 is: 512,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,541.09 : 1,932,809.19 = 341,837.39 : x
  2. Step 2: Convert to fraction form
    1,288,541.09/1,932,809.19 = 341,837.39/x
  3. Step 3: Cross multiply
    1,288,541.09x = 1,932,809.19 × 341,837.39
  4. Step 4: Simplify right side
    1,288,541.09x = 660,706,439,213.57
  5. Step 5: Solve for x
    x = 660,706,439,213.57/1,288,541.09
  6. Step 6: Final answer
    x = 512,755.43

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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.