Home / 434,664.60-651,996.90-329,688.60

Finding the Fourth Proportional to 434,664.60, 651,996.90 and 329,688.60

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Solution

The fourth proportional to 434,664.60, 651,996.90 and 329,688.60 is: 494,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,664.60 : 651,996.90 = 329,688.60 : x
  2. Step 2: Convert to fraction form
    434,664.60/651,996.90 = 329,688.60/x
  3. Step 3: Cross multiply
    434,664.60x = 651,996.90 × 329,688.60
  4. Step 4: Simplify right side
    434,664.60x = 214,955,945,165.34
  5. Step 5: Solve for x
    x = 214,955,945,165.34/434,664.60
  6. Step 6: Final answer
    x = 494,532.90

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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.