Home / 1,019,173.64-1,528,944.32-419,807.66

Finding the Fourth Proportional to 1,019,173.64, 1,528,944.32 and 419,807.66

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Solution

The fourth proportional to 1,019,173.64, 1,528,944.32 and 419,807.66 is: 629,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,173.64 : 1,528,944.32 = 419,807.66 : x
  2. Step 2: Convert to fraction form
    1,019,173.64/1,528,944.32 = 419,807.66/x
  3. Step 3: Cross multiply
    1,019,173.64x = 1,528,944.32 × 419,807.66
  4. Step 4: Simplify right side
    1,019,173.64x = 641,862,530,654.29
  5. Step 5: Solve for x
    x = 641,862,530,654.29/1,019,173.64
  6. Step 6: Final answer
    x = 629,787.22

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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.