Home / 1,003,522.32-1,385,509.32-621,954

Finding the Fourth Proportional to 1,003,522.32, 1,385,509.32 and 621,954

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Solution

The fourth proportional to 1,003,522.32, 1,385,509.32 and 621,954 is: 858,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,522.32 : 1,385,509.32 = 621,954 : x
  2. Step 2: Convert to fraction form
    1,003,522.32/1,385,509.32 = 621,954/x
  3. Step 3: Cross multiply
    1,003,522.32x = 1,385,509.32 × 621,954
  4. Step 4: Simplify right side
    1,003,522.32x = 861,723,063,611.28
  5. Step 5: Solve for x
    x = 861,723,063,611.28/1,003,522.32
  6. Step 6: Final answer
    x = 858,698.45

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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.