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Finding the Fourth Proportional to 1,778,743.56, 2,454,654.84 and 962,941.29

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Solution

The fourth proportional to 1,778,743.56, 2,454,654.84 and 962,941.29 is: 1,328,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,743.56 : 2,454,654.84 = 962,941.29 : x
  2. Step 2: Convert to fraction form
    1,778,743.56/2,454,654.84 = 962,941.29/x
  3. Step 3: Cross multiply
    1,778,743.56x = 2,454,654.84 × 962,941.29
  4. Step 4: Simplify right side
    1,778,743.56x = 2,363,688,498,134.34
  5. Step 5: Solve for x
    x = 2,363,688,498,134.34/1,778,743.56
  6. Step 6: Final answer
    x = 1,328,852.88

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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.