Home / 434,614.60-651,630.30-197,835.40

Finding the Fourth Proportional to 434,614.60, 651,630.30 and 197,835.40

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Solution

The fourth proportional to 434,614.60, 651,630.30 and 197,835.40 is: 296,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,614.60 : 651,630.30 = 197,835.40 : x
  2. Step 2: Convert to fraction form
    434,614.60/651,630.30 = 197,835.40/x
  3. Step 3: Cross multiply
    434,614.60x = 651,630.30 × 197,835.40
  4. Step 4: Simplify right side
    434,614.60x = 128,915,541,052.62
  5. Step 5: Solve for x
    x = 128,915,541,052.62/434,614.60
  6. Step 6: Final answer
    x = 296,620.36

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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.