Home / 1,136,663.46-1,568,571.62-620,400.24

Finding the Fourth Proportional to 1,136,663.46, 1,568,571.62 and 620,400.24

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Solution

The fourth proportional to 1,136,663.46, 1,568,571.62 and 620,400.24 is: 856,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,663.46 : 1,568,571.62 = 620,400.24 : x
  2. Step 2: Convert to fraction form
    1,136,663.46/1,568,571.62 = 620,400.24/x
  3. Step 3: Cross multiply
    1,136,663.46x = 1,568,571.62 × 620,400.24
  4. Step 4: Simplify right side
    1,136,663.46x = 973,142,206,403.19
  5. Step 5: Solve for x
    x = 973,142,206,403.19/1,136,663.46
  6. Step 6: Final answer
    x = 856,139.25

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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.