Home / 1,037,119.86-1,431,319.41-629,325.02

Finding the Fourth Proportional to 1,037,119.86, 1,431,319.41 and 629,325.02

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Solution

The fourth proportional to 1,037,119.86, 1,431,319.41 and 629,325.02 is: 868,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,119.86 : 1,431,319.41 = 629,325.02 : x
  2. Step 2: Convert to fraction form
    1,037,119.86/1,431,319.41 = 629,325.02/x
  3. Step 3: Cross multiply
    1,037,119.86x = 1,431,319.41 × 629,325.02
  4. Step 4: Simplify right side
    1,037,119.86x = 900,765,119,902.94
  5. Step 5: Solve for x
    x = 900,765,119,902.94/1,037,119.86
  6. Step 6: Final answer
    x = 868,525.57

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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.