Home / 1,600,261.72-2,208,339.92-911,974.55

Finding the Fourth Proportional to 1,600,261.72, 2,208,339.92 and 911,974.55

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Solution

The fourth proportional to 1,600,261.72, 2,208,339.92 and 911,974.55 is: 1,258,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,261.72 : 2,208,339.92 = 911,974.55 : x
  2. Step 2: Convert to fraction form
    1,600,261.72/2,208,339.92 = 911,974.55/x
  3. Step 3: Cross multiply
    1,600,261.72x = 2,208,339.92 × 911,974.55
  4. Step 4: Simplify right side
    1,600,261.72x = 2,013,949,796,027.27
  5. Step 5: Solve for x
    x = 2,013,949,796,027.27/1,600,261.72
  6. Step 6: Final answer
    x = 1,258,512.76

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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.