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Finding the Fourth Proportional to 2,782,407, 4,172,395.14 and 984,693

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Solution

The fourth proportional to 2,782,407, 4,172,395.14 and 984,693 is: 1,476,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,407 : 4,172,395.14 = 984,693 : x
  2. Step 2: Convert to fraction form
    2,782,407/4,172,395.14 = 984,693/x
  3. Step 3: Cross multiply
    2,782,407x = 4,172,395.14 × 984,693
  4. Step 4: Simplify right side
    2,782,407x = 4,108,528,287,592.02
  5. Step 5: Solve for x
    x = 4,108,528,287,592.02/2,782,407
  6. Step 6: Final answer
    x = 1,476,609.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.