Home / 859,040.83-1,185,443.88-477,092.21

Finding the Fourth Proportional to 859,040.83, 1,185,443.88 and 477,092.21

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Solution

The fourth proportional to 859,040.83, 1,185,443.88 and 477,092.21 is: 658,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,040.83 : 1,185,443.88 = 477,092.21 : x
  2. Step 2: Convert to fraction form
    859,040.83/1,185,443.88 = 477,092.21/x
  3. Step 3: Cross multiply
    859,040.83x = 1,185,443.88 × 477,092.21
  4. Step 4: Simplify right side
    859,040.83x = 565,566,040,540.18
  5. Step 5: Solve for x
    x = 565,566,040,540.18/859,040.83
  6. Step 6: Final answer
    x = 658,369.22

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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.