Home / 1,092,744.16-1,638,181.32-419,308.75

Finding the Fourth Proportional to 1,092,744.16, 1,638,181.32 and 419,308.75

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Solution

The fourth proportional to 1,092,744.16, 1,638,181.32 and 419,308.75 is: 628,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,744.16 : 1,638,181.32 = 419,308.75 : x
  2. Step 2: Convert to fraction form
    1,092,744.16/1,638,181.32 = 419,308.75/x
  3. Step 3: Cross multiply
    1,092,744.16x = 1,638,181.32 × 419,308.75
  4. Step 4: Simplify right side
    1,092,744.16x = 686,903,761,562.55
  5. Step 5: Solve for x
    x = 686,903,761,562.55/1,092,744.16
  6. Step 6: Final answer
    x = 628,604.38

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1.5x scale

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.