Home / 1,019,170.32-1,528,939.32-419,804.28

Finding the Fourth Proportional to 1,019,170.32, 1,528,939.32 and 419,804.28

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Solution

The fourth proportional to 1,019,170.32, 1,528,939.32 and 419,804.28 is: 629,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,170.32 : 1,528,939.32 = 419,804.28 : x
  2. Step 2: Convert to fraction form
    1,019,170.32/1,528,939.32 = 419,804.28/x
  3. Step 3: Cross multiply
    1,019,170.32x = 1,528,939.32 × 419,804.28
  4. Step 4: Simplify right side
    1,019,170.32x = 641,855,270,396.29
  5. Step 5: Solve for x
    x = 641,855,270,396.29/1,019,170.32
  6. Step 6: Final answer
    x = 629,782.15

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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.