Home / 853,745.91-1,178,169.77-471,772.69

Finding the Fourth Proportional to 853,745.91, 1,178,169.77 and 471,772.69

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Solution

The fourth proportional to 853,745.91, 1,178,169.77 and 471,772.69 is: 651,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,745.91 : 1,178,169.77 = 471,772.69 : x
  2. Step 2: Convert to fraction form
    853,745.91/1,178,169.77 = 471,772.69/x
  3. Step 3: Cross multiply
    853,745.91x = 1,178,169.77 × 471,772.69
  4. Step 4: Simplify right side
    853,745.91x = 555,828,321,669.58
  5. Step 5: Solve for x
    x = 555,828,321,669.58/853,745.91
  6. Step 6: Final answer
    x = 651,046.54

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Double scale
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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.