Home / 1,128,054.78-1,691,194.68-559,044.72

Finding the Fourth Proportional to 1,128,054.78, 1,691,194.68 and 559,044.72

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Solution

The fourth proportional to 1,128,054.78, 1,691,194.68 and 559,044.72 is: 838,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,054.78 : 1,691,194.68 = 559,044.72 : x
  2. Step 2: Convert to fraction form
    1,128,054.78/1,691,194.68 = 559,044.72/x
  3. Step 3: Cross multiply
    1,128,054.78x = 1,691,194.68 × 559,044.72
  4. Step 4: Simplify right side
    1,128,054.78x = 945,453,456,346.09
  5. Step 5: Solve for x
    x = 945,453,456,346.09/1,128,054.78
  6. Step 6: Final answer
    x = 838,127.26

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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.