Home / 1,136,591.81-1,568,499.98-620,350.43

Finding the Fourth Proportional to 1,136,591.81, 1,568,499.98 and 620,350.43

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Solution

The fourth proportional to 1,136,591.81, 1,568,499.98 and 620,350.43 is: 856,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,591.81 : 1,568,499.98 = 620,350.43 : x
  2. Step 2: Convert to fraction form
    1,136,591.81/1,568,499.98 = 620,350.43/x
  3. Step 3: Cross multiply
    1,136,591.81x = 1,568,499.98 × 620,350.43
  4. Step 4: Simplify right side
    1,136,591.81x = 973,019,637,047.99
  5. Step 5: Solve for x
    x = 973,019,637,047.99/1,136,591.81
  6. Step 6: Final answer
    x = 856,085.38

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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.