Home / 1,115,982.25-1,540,175.90-632,495.49

Finding the Fourth Proportional to 1,115,982.25, 1,540,175.90 and 632,495.49

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Solution

The fourth proportional to 1,115,982.25, 1,540,175.90 and 632,495.49 is: 872,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,982.25 : 1,540,175.90 = 632,495.49 : x
  2. Step 2: Convert to fraction form
    1,115,982.25/1,540,175.90 = 632,495.49/x
  3. Step 3: Cross multiply
    1,115,982.25x = 1,540,175.90 × 632,495.49
  4. Step 4: Simplify right side
    1,115,982.25x = 974,154,312,137.93
  5. Step 5: Solve for x
    x = 974,154,312,137.93/1,115,982.25
  6. Step 6: Final answer
    x = 872,912.01

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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.