Home / 1,136,342.65-1,568,186.18-620,129.87

Finding the Fourth Proportional to 1,136,342.65, 1,568,186.18 and 620,129.87

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Solution

The fourth proportional to 1,136,342.65, 1,568,186.18 and 620,129.87 is: 855,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,342.65 : 1,568,186.18 = 620,129.87 : x
  2. Step 2: Convert to fraction form
    1,136,342.65/1,568,186.18 = 620,129.87/x
  3. Step 3: Cross multiply
    1,136,342.65x = 1,568,186.18 × 620,129.87
  4. Step 4: Simplify right side
    1,136,342.65x = 972,479,097,409.99
  5. Step 5: Solve for x
    x = 972,479,097,409.99/1,136,342.65
  6. Step 6: Final answer
    x = 855,797.41

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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.