Home / 665,238.64-997,856.88-191,926.48

Finding the Fourth Proportional to 665,238.64, 997,856.88 and 191,926.48

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Solution

The fourth proportional to 665,238.64, 997,856.88 and 191,926.48 is: 287,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,238.64 : 997,856.88 = 191,926.48 : x
  2. Step 2: Convert to fraction form
    665,238.64/997,856.88 = 191,926.48/x
  3. Step 3: Cross multiply
    665,238.64x = 997,856.88 × 191,926.48
  4. Step 4: Simplify right side
    665,238.64x = 191,515,158,522.18
  5. Step 5: Solve for x
    x = 191,515,158,522.18/665,238.64
  6. Step 6: Final answer
    x = 287,889.41

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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.