Home / 1,136,465.64-1,568,360.22-620,247.72

Finding the Fourth Proportional to 1,136,465.64, 1,568,360.22 and 620,247.72

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Solution

The fourth proportional to 1,136,465.64, 1,568,360.22 and 620,247.72 is: 855,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,465.64 : 1,568,360.22 = 620,247.72 : x
  2. Step 2: Convert to fraction form
    1,136,465.64/1,568,360.22 = 620,247.72/x
  3. Step 3: Cross multiply
    1,136,465.64x = 1,568,360.22 × 620,247.72
  4. Step 4: Simplify right side
    1,136,465.64x = 972,771,850,593.70
  5. Step 5: Solve for x
    x = 972,771,850,593.70/1,136,465.64
  6. Step 6: Final answer
    x = 855,962.39

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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.