Home / 1,136,500.77-1,568,407.68-646,457.61

Finding the Fourth Proportional to 1,136,500.77, 1,568,407.68 and 646,457.61

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Solution

The fourth proportional to 1,136,500.77, 1,568,407.68 and 646,457.61 is: 892,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,500.77 : 1,568,407.68 = 646,457.61 : x
  2. Step 2: Convert to fraction form
    1,136,500.77/1,568,407.68 = 646,457.61/x
  3. Step 3: Cross multiply
    1,136,500.77x = 1,568,407.68 × 646,457.61
  4. Step 4: Simplify right side
    1,136,500.77x = 1,013,909,080,318.44
  5. Step 5: Solve for x
    x = 1,013,909,080,318.44/1,136,500.77
  6. Step 6: Final answer
    x = 892,132.33

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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.