Home / 665,823.60-998,573.40-192,459.60

Finding the Fourth Proportional to 665,823.60, 998,573.40 and 192,459.60

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Solution

The fourth proportional to 665,823.60, 998,573.40 and 192,459.60 is: 288,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,823.60 : 998,573.40 = 192,459.60 : x
  2. Step 2: Convert to fraction form
    665,823.60/998,573.40 = 192,459.60/x
  3. Step 3: Cross multiply
    665,823.60x = 998,573.40 × 192,459.60
  4. Step 4: Simplify right side
    665,823.60x = 192,185,037,134.64
  5. Step 5: Solve for x
    x = 192,185,037,134.64/665,823.60
  6. Step 6: Final answer
    x = 288,642.57

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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.