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Finding the Fourth Proportional to 1,776,772, 2,452,003.86 and 971,956

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Solution

The fourth proportional to 1,776,772, 2,452,003.86 and 971,956 is: 1,341,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,772 : 2,452,003.86 = 971,956 : x
  2. Step 2: Convert to fraction form
    1,776,772/2,452,003.86 = 971,956/x
  3. Step 3: Cross multiply
    1,776,772x = 2,452,003.86 × 971,956
  4. Step 4: Simplify right side
    1,776,772x = 2,383,239,863,750.16
  5. Step 5: Solve for x
    x = 2,383,239,863,750.16/1,776,772
  6. Step 6: Final answer
    x = 1,341,331.28

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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.