Home / 434,536.60-651,804.90-329,560.60

Finding the Fourth Proportional to 434,536.60, 651,804.90 and 329,560.60

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Solution

The fourth proportional to 434,536.60, 651,804.90 and 329,560.60 is: 494,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,536.60 : 651,804.90 = 329,560.60 : x
  2. Step 2: Convert to fraction form
    434,536.60/651,804.90 = 329,560.60/x
  3. Step 3: Cross multiply
    434,536.60x = 651,804.90 × 329,560.60
  4. Step 4: Simplify right side
    434,536.60x = 214,809,213,926.94
  5. Step 5: Solve for x
    x = 214,809,213,926.94/434,536.60
  6. Step 6: Final answer
    x = 494,340.90

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1.5x scale

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.