Home / 523,619.37-785,474.16-144,540.18

Finding the Fourth Proportional to 523,619.37, 785,474.16 and 144,540.18

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Solution

The fourth proportional to 523,619.37, 785,474.16 and 144,540.18 is: 216,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,619.37 : 785,474.16 = 144,540.18 : x
  2. Step 2: Convert to fraction form
    523,619.37/785,474.16 = 144,540.18/x
  3. Step 3: Cross multiply
    523,619.37x = 785,474.16 × 144,540.18
  4. Step 4: Simplify right side
    523,619.37x = 113,532,576,471.75
  5. Step 5: Solve for x
    x = 113,532,576,471.75/523,619.37
  6. Step 6: Final answer
    x = 216,822.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.