Home / 1,136,664.96-1,568,573.67-620,401.74

Finding the Fourth Proportional to 1,136,664.96, 1,568,573.67 and 620,401.74

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Solution

The fourth proportional to 1,136,664.96, 1,568,573.67 and 620,401.74 is: 856,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,664.96 : 1,568,573.67 = 620,401.74 : x
  2. Step 2: Convert to fraction form
    1,136,664.96/1,568,573.67 = 620,401.74/x
  3. Step 3: Cross multiply
    1,136,664.96x = 1,568,573.67 × 620,401.74
  4. Step 4: Simplify right side
    1,136,664.96x = 973,145,834,186.19
  5. Step 5: Solve for x
    x = 973,145,834,186.19/1,136,664.96
  6. Step 6: Final answer
    x = 856,141.32

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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.