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Finding the Fourth Proportional to 1,591,706.32, 2,196,568 and 866,559.08

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Solution

The fourth proportional to 1,591,706.32, 2,196,568 and 866,559.08 is: 1,195,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,706.32 : 2,196,568 = 866,559.08 : x
  2. Step 2: Convert to fraction form
    1,591,706.32/2,196,568 = 866,559.08/x
  3. Step 3: Cross multiply
    1,591,706.32x = 2,196,568 × 866,559.08
  4. Step 4: Simplify right side
    1,591,706.32x = 1,903,455,945,237.44
  5. Step 5: Solve for x
    x = 1,903,455,945,237.44/1,591,706.32
  6. Step 6: Final answer
    x = 1,195,858.76

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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.