Home / 867,514.44-1,197,169.77-485,541.21

Finding the Fourth Proportional to 867,514.44, 1,197,169.77 and 485,541.21

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Solution

The fourth proportional to 867,514.44, 1,197,169.77 and 485,541.21 is: 670,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,514.44 : 1,197,169.77 = 485,541.21 : x
  2. Step 2: Convert to fraction form
    867,514.44/1,197,169.77 = 485,541.21/x
  3. Step 3: Cross multiply
    867,514.44x = 1,197,169.77 × 485,541.21
  4. Step 4: Simplify right side
    867,514.44x = 581,275,258,701.22
  5. Step 5: Solve for x
    x = 581,275,258,701.22/867,514.44
  6. Step 6: Final answer
    x = 670,046.78

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1.5x scale

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.