Home / 1,397,485.02-1,928,423.25-785,540.46

Finding the Fourth Proportional to 1,397,485.02, 1,928,423.25 and 785,540.46

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Solution

The fourth proportional to 1,397,485.02, 1,928,423.25 and 785,540.46 is: 1,083,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,485.02 : 1,928,423.25 = 785,540.46 : x
  2. Step 2: Convert to fraction form
    1,397,485.02/1,928,423.25 = 785,540.46/x
  3. Step 3: Cross multiply
    1,397,485.02x = 1,928,423.25 × 785,540.46
  4. Step 4: Simplify right side
    1,397,485.02x = 1,514,854,486,879.69
  5. Step 5: Solve for x
    x = 1,514,854,486,879.69/1,397,485.02
  6. Step 6: Final answer
    x = 1,083,986.21

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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.