Home / 1,136,501.77-1,568,409.06-646,458.61

Finding the Fourth Proportional to 1,136,501.77, 1,568,409.06 and 646,458.61

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Solution

The fourth proportional to 1,136,501.77, 1,568,409.06 and 646,458.61 is: 892,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,501.77 : 1,568,409.06 = 646,458.61 : x
  2. Step 2: Convert to fraction form
    1,136,501.77/1,568,409.06 = 646,458.61/x
  3. Step 3: Cross multiply
    1,136,501.77x = 1,568,409.06 × 646,458.61
  4. Step 4: Simplify right side
    1,136,501.77x = 1,013,911,540,839.01
  5. Step 5: Solve for x
    x = 1,013,911,540,839.01/1,136,501.77
  6. Step 6: Final answer
    x = 892,133.71

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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.