Home / 1,250,391.92-1,725,542.69-677,432.12

Finding the Fourth Proportional to 1,250,391.92, 1,725,542.69 and 677,432.12

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Solution

The fourth proportional to 1,250,391.92, 1,725,542.69 and 677,432.12 is: 934,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,391.92 : 1,725,542.69 = 677,432.12 : x
  2. Step 2: Convert to fraction form
    1,250,391.92/1,725,542.69 = 677,432.12/x
  3. Step 3: Cross multiply
    1,250,391.92x = 1,725,542.69 × 677,432.12
  4. Step 4: Simplify right side
    1,250,391.92x = 1,168,938,030,622.33
  5. Step 5: Solve for x
    x = 1,168,938,030,622.33/1,250,391.92
  6. Step 6: Final answer
    x = 934,857.32

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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.