Home / 850,721.54-1,174,078.46-635,487.94

Finding the Fourth Proportional to 850,721.54, 1,174,078.46 and 635,487.94

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Solution

The fourth proportional to 850,721.54, 1,174,078.46 and 635,487.94 is: 877,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,721.54 : 1,174,078.46 = 635,487.94 : x
  2. Step 2: Convert to fraction form
    850,721.54/1,174,078.46 = 635,487.94/x
  3. Step 3: Cross multiply
    850,721.54x = 1,174,078.46 × 635,487.94
  4. Step 4: Simplify right side
    850,721.54x = 746,112,701,943.77
  5. Step 5: Solve for x
    x = 746,112,701,943.77/850,721.54
  6. Step 6: Final answer
    x = 877,035.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.