Home / 1,250,141.62-1,725,203.72-677,181.78

Finding the Fourth Proportional to 1,250,141.62, 1,725,203.72 and 677,181.78

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Solution

The fourth proportional to 1,250,141.62, 1,725,203.72 and 677,181.78 is: 934,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,141.62 : 1,725,203.72 = 677,181.78 : x
  2. Step 2: Convert to fraction form
    1,250,141.62/1,725,203.72 = 677,181.78/x
  3. Step 3: Cross multiply
    1,250,141.62x = 1,725,203.72 × 677,181.78
  4. Step 4: Simplify right side
    1,250,141.62x = 1,168,276,525,972.22
  5. Step 5: Solve for x
    x = 1,168,276,525,972.22/1,250,141.62
  6. Step 6: Final answer
    x = 934,515.34

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1.5x scale

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.