Home / 330,877.36-496,538.40-329,659.96

Finding the Fourth Proportional to 330,877.36, 496,538.40 and 329,659.96

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Solution

The fourth proportional to 330,877.36, 496,538.40 and 329,659.96 is: 494,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,877.36 : 496,538.40 = 329,659.96 : x
  2. Step 2: Convert to fraction form
    330,877.36/496,538.40 = 329,659.96/x
  3. Step 3: Cross multiply
    330,877.36x = 496,538.40 × 329,659.96
  4. Step 4: Simplify right side
    330,877.36x = 163,688,829,082.46
  5. Step 5: Solve for x
    x = 163,688,829,082.46/330,877.36
  6. Step 6: Final answer
    x = 494,711.48

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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.