Home / 1,131,362.24-1,561,056.57-634,662.68

Finding the Fourth Proportional to 1,131,362.24, 1,561,056.57 and 634,662.68

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Solution

The fourth proportional to 1,131,362.24, 1,561,056.57 and 634,662.68 is: 875,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,362.24 : 1,561,056.57 = 634,662.68 : x
  2. Step 2: Convert to fraction form
    1,131,362.24/1,561,056.57 = 634,662.68/x
  3. Step 3: Cross multiply
    1,131,362.24x = 1,561,056.57 × 634,662.68
  4. Step 4: Simplify right side
    1,131,362.24x = 990,744,338,542.53
  5. Step 5: Solve for x
    x = 990,744,338,542.53/1,131,362.24
  6. Step 6: Final answer
    x = 875,709.22

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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.