Home / 850,712.87-1,174,066.49-635,479.26

Finding the Fourth Proportional to 850,712.87, 1,174,066.49 and 635,479.26

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Solution

The fourth proportional to 850,712.87, 1,174,066.49 and 635,479.26 is: 877,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,712.87 : 1,174,066.49 = 635,479.26 : x
  2. Step 2: Convert to fraction form
    850,712.87/1,174,066.49 = 635,479.26/x
  3. Step 3: Cross multiply
    850,712.87x = 1,174,066.49 × 635,479.26
  4. Step 4: Simplify right side
    850,712.87x = 746,094,901,078.60
  5. Step 5: Solve for x
    x = 746,094,901,078.60/850,712.87
  6. Step 6: Final answer
    x = 877,023.18

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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.