Home / 1,187,470.26-1,781,653.73-714,487.77

Finding the Fourth Proportional to 1,187,470.26, 1,781,653.73 and 714,487.77

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Solution

The fourth proportional to 1,187,470.26, 1,781,653.73 and 714,487.77 is: 1,072,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,470.26 : 1,781,653.73 = 714,487.77 : x
  2. Step 2: Convert to fraction form
    1,187,470.26/1,781,653.73 = 714,487.77/x
  3. Step 3: Cross multiply
    1,187,470.26x = 1,781,653.73 × 714,487.77
  4. Step 4: Simplify right side
    1,187,470.26x = 1,272,969,796,887.44
  5. Step 5: Solve for x
    x = 1,272,969,796,887.44/1,187,470.26
  6. Step 6: Final answer
    x = 1,072,001.41

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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.