Home / 1,037,122.61-1,431,323.21-629,327.78

Finding the Fourth Proportional to 1,037,122.61, 1,431,323.21 and 629,327.78

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Solution

The fourth proportional to 1,037,122.61, 1,431,323.21 and 629,327.78 is: 868,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,122.61 : 1,431,323.21 = 629,327.78 : x
  2. Step 2: Convert to fraction form
    1,037,122.61/1,431,323.21 = 629,327.78/x
  3. Step 3: Cross multiply
    1,037,122.61x = 1,431,323.21 × 629,327.78
  4. Step 4: Simplify right side
    1,037,122.61x = 900,771,458,211.77
  5. Step 5: Solve for x
    x = 900,771,458,211.77/1,037,122.61
  6. Step 6: Final answer
    x = 868,529.38

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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.