Home / 1,136,458.54-1,568,349.47-646,415.45

Finding the Fourth Proportional to 1,136,458.54, 1,568,349.47 and 646,415.45

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Solution

The fourth proportional to 1,136,458.54, 1,568,349.47 and 646,415.45 is: 892,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,458.54 : 1,568,349.47 = 646,415.45 : x
  2. Step 2: Convert to fraction form
    1,136,458.54/1,568,349.47 = 646,415.45/x
  3. Step 3: Cross multiply
    1,136,458.54x = 1,568,349.47 × 646,415.45
  4. Step 4: Simplify right side
    1,136,458.54x = 1,013,805,328,407.31
  5. Step 5: Solve for x
    x = 1,013,805,328,407.31/1,136,458.54
  6. Step 6: Final answer
    x = 892,074.19

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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.