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Finding the Fourth Proportional to 1,776,781, 2,452,016.28 and 971,965

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Solution

The fourth proportional to 1,776,781, 2,452,016.28 and 971,965 is: 1,341,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,781 : 2,452,016.28 = 971,965 : x
  2. Step 2: Convert to fraction form
    1,776,781/2,452,016.28 = 971,965/x
  3. Step 3: Cross multiply
    1,776,781x = 2,452,016.28 × 971,965
  4. Step 4: Simplify right side
    1,776,781x = 2,383,274,003,590.20
  5. Step 5: Solve for x
    x = 2,383,274,003,590.20/1,776,781
  6. Step 6: Final answer
    x = 1,341,343.70

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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.