Home / 859,040.70-1,185,443.71-477,092.09

Finding the Fourth Proportional to 859,040.70, 1,185,443.71 and 477,092.09

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Solution

The fourth proportional to 859,040.70, 1,185,443.71 and 477,092.09 is: 658,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,040.70 : 1,185,443.71 = 477,092.09 : x
  2. Step 2: Convert to fraction form
    859,040.70/1,185,443.71 = 477,092.09/x
  3. Step 3: Cross multiply
    859,040.70x = 1,185,443.71 × 477,092.09
  4. Step 4: Simplify right side
    859,040.70x = 565,565,810,061.31
  5. Step 5: Solve for x
    x = 565,565,810,061.31/859,040.70
  6. Step 6: Final answer
    x = 658,369.05

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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.