Home / 1,391,640.27-2,086,802.37-539,111.22

Finding the Fourth Proportional to 1,391,640.27, 2,086,802.37 and 539,111.22

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Solution

The fourth proportional to 1,391,640.27, 2,086,802.37 and 539,111.22 is: 808,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,640.27 : 2,086,802.37 = 539,111.22 : x
  2. Step 2: Convert to fraction form
    1,391,640.27/2,086,802.37 = 539,111.22/x
  3. Step 3: Cross multiply
    1,391,640.27x = 2,086,802.37 × 539,111.22
  4. Step 4: Simplify right side
    1,391,640.27x = 1,125,018,571,589.59
  5. Step 5: Solve for x
    x = 1,125,018,571,589.59/1,391,640.27
  6. Step 6: Final answer
    x = 808,411.91

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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.