Home / 1,250,401.92-1,725,556.32-677,442.12

Finding the Fourth Proportional to 1,250,401.92, 1,725,556.32 and 677,442.12

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Solution

The fourth proportional to 1,250,401.92, 1,725,556.32 and 677,442.12 is: 934,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,401.92 : 1,725,556.32 = 677,442.12 : x
  2. Step 2: Convert to fraction form
    1,250,401.92/1,725,556.32 = 677,442.12/x
  3. Step 3: Cross multiply
    1,250,401.92x = 1,725,556.32 × 677,442.12
  4. Step 4: Simplify right side
    1,250,401.92x = 1,168,964,531,600.20
  5. Step 5: Solve for x
    x = 1,168,964,531,600.20/1,250,401.92
  6. Step 6: Final answer
    x = 934,871.03

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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.