Home / 1,187,824.30-1,781,717.89-289,264.51

Finding the Fourth Proportional to 1,187,824.30, 1,781,717.89 and 289,264.51

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Solution

The fourth proportional to 1,187,824.30, 1,781,717.89 and 289,264.51 is: 433,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,824.30 : 1,781,717.89 = 289,264.51 : x
  2. Step 2: Convert to fraction form
    1,187,824.30/1,781,717.89 = 289,264.51/x
  3. Step 3: Cross multiply
    1,187,824.30x = 1,781,717.89 × 289,264.51
  4. Step 4: Simplify right side
    1,187,824.30x = 515,387,752,409.08
  5. Step 5: Solve for x
    x = 515,387,752,409.08/1,187,824.30
  6. Step 6: Final answer
    x = 433,892.25

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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.