Home / 1,108,904.21-1,530,224.37-625,440.53

Finding the Fourth Proportional to 1,108,904.21, 1,530,224.37 and 625,440.53

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Solution

The fourth proportional to 1,108,904.21, 1,530,224.37 and 625,440.53 is: 863,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,904.21 : 1,530,224.37 = 625,440.53 : x
  2. Step 2: Convert to fraction form
    1,108,904.21/1,530,224.37 = 625,440.53/x
  3. Step 3: Cross multiply
    1,108,904.21x = 1,530,224.37 × 625,440.53
  4. Step 4: Simplify right side
    1,108,904.21x = 957,064,340,991.72
  5. Step 5: Solve for x
    x = 957,064,340,991.72/1,108,904.21
  6. Step 6: Final answer
    x = 863,072.15

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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.