Home / 1,115,982.06-1,540,175.64-632,495.30

Finding the Fourth Proportional to 1,115,982.06, 1,540,175.64 and 632,495.30

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Solution

The fourth proportional to 1,115,982.06, 1,540,175.64 and 632,495.30 is: 872,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,982.06 : 1,540,175.64 = 632,495.30 : x
  2. Step 2: Convert to fraction form
    1,115,982.06/1,540,175.64 = 632,495.30/x
  3. Step 3: Cross multiply
    1,115,982.06x = 1,540,175.64 × 632,495.30
  4. Step 4: Simplify right side
    1,115,982.06x = 974,153,843,401.76
  5. Step 5: Solve for x
    x = 974,153,843,401.76/1,115,982.06
  6. Step 6: Final answer
    x = 872,911.74

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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.