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Finding the Fourth Proportional to 1,410,572.76, 1,947,918.96 and 982,024.71

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Solution

The fourth proportional to 1,410,572.76, 1,947,918.96 and 982,024.71 is: 1,356,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,572.76 : 1,947,918.96 = 982,024.71 : x
  2. Step 2: Convert to fraction form
    1,410,572.76/1,947,918.96 = 982,024.71/x
  3. Step 3: Cross multiply
    1,410,572.76x = 1,947,918.96 × 982,024.71
  4. Step 4: Simplify right side
    1,410,572.76x = 1,912,904,551,797.50
  5. Step 5: Solve for x
    x = 1,912,904,551,797.50/1,410,572.76
  6. Step 6: Final answer
    x = 1,356,119.02

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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.