Home / 1,059,056.60-1,589,372.42-427,975.88

Finding the Fourth Proportional to 1,059,056.60, 1,589,372.42 and 427,975.88

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Solution

The fourth proportional to 1,059,056.60, 1,589,372.42 and 427,975.88 is: 642,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,056.60 : 1,589,372.42 = 427,975.88 : x
  2. Step 2: Convert to fraction form
    1,059,056.60/1,589,372.42 = 427,975.88/x
  3. Step 3: Cross multiply
    1,059,056.60x = 1,589,372.42 × 427,975.88
  4. Step 4: Simplify right side
    1,059,056.60x = 680,213,060,097.23
  5. Step 5: Solve for x
    x = 680,213,060,097.23/1,059,056.60
  6. Step 6: Final answer
    x = 642,282.07

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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.