Home / 1,106,138.72-1,659,750.16-396,221.60

Finding the Fourth Proportional to 1,106,138.72, 1,659,750.16 and 396,221.60

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Solution

The fourth proportional to 1,106,138.72, 1,659,750.16 and 396,221.60 is: 594,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,138.72 : 1,659,750.16 = 396,221.60 : x
  2. Step 2: Convert to fraction form
    1,106,138.72/1,659,750.16 = 396,221.60/x
  3. Step 3: Cross multiply
    1,106,138.72x = 1,659,750.16 × 396,221.60
  4. Step 4: Simplify right side
    1,106,138.72x = 657,628,863,995.46
  5. Step 5: Solve for x
    x = 657,628,863,995.46/1,106,138.72
  6. Step 6: Final answer
    x = 594,526.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.