Home / 1,109,309.76-1,530,847.68-625,977.60

Finding the Fourth Proportional to 1,109,309.76, 1,530,847.68 and 625,977.60

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Solution

The fourth proportional to 1,109,309.76, 1,530,847.68 and 625,977.60 is: 863,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,309.76 : 1,530,847.68 = 625,977.60 : x
  2. Step 2: Convert to fraction form
    1,109,309.76/1,530,847.68 = 625,977.60/x
  3. Step 3: Cross multiply
    1,109,309.76x = 1,530,847.68 × 625,977.60
  4. Step 4: Simplify right side
    1,109,309.76x = 958,276,356,691.97
  5. Step 5: Solve for x
    x = 958,276,356,691.97/1,109,309.76
  6. Step 6: Final answer
    x = 863,849.21

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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.