Home / 1,109,175.63-1,530,657.91-625,740.80

Finding the Fourth Proportional to 1,109,175.63, 1,530,657.91 and 625,740.80

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Solution

The fourth proportional to 1,109,175.63, 1,530,657.91 and 625,740.80 is: 863,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,175.63 : 1,530,657.91 = 625,740.80 : x
  2. Step 2: Convert to fraction form
    1,109,175.63/1,530,657.91 = 625,740.80/x
  3. Step 3: Cross multiply
    1,109,175.63x = 1,530,657.91 × 625,740.80
  4. Step 4: Simplify right side
    1,109,175.63x = 957,795,098,258.61
  5. Step 5: Solve for x
    x = 957,795,098,258.61/1,109,175.63
  6. Step 6: Final answer
    x = 863,519.78

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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.