Home / 859,365.72-1,185,884.42-477,415.80

Finding the Fourth Proportional to 859,365.72, 1,185,884.42 and 477,415.80

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Solution

The fourth proportional to 859,365.72, 1,185,884.42 and 477,415.80 is: 658,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,365.72 : 1,185,884.42 = 477,415.80 : x
  2. Step 2: Convert to fraction form
    859,365.72/1,185,884.42 = 477,415.80/x
  3. Step 3: Cross multiply
    859,365.72x = 1,185,884.42 × 477,415.80
  4. Step 4: Simplify right side
    859,365.72x = 566,159,959,081.84
  5. Step 5: Solve for x
    x = 566,159,959,081.84/859,365.72
  6. Step 6: Final answer
    x = 658,811.43

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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.