Home / 1,059,221.46-1,587,936.60-459,732

Finding the Fourth Proportional to 1,059,221.46, 1,587,936.60 and 459,732

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Solution

The fourth proportional to 1,059,221.46, 1,587,936.60 and 459,732 is: 689,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,221.46 : 1,587,936.60 = 459,732 : x
  2. Step 2: Convert to fraction form
    1,059,221.46/1,587,936.60 = 459,732/x
  3. Step 3: Cross multiply
    1,059,221.46x = 1,587,936.60 × 459,732
  4. Step 4: Simplify right side
    1,059,221.46x = 730,025,268,991.20
  5. Step 5: Solve for x
    x = 730,025,268,991.20/1,059,221.46
  6. Step 6: Final answer
    x = 689,209.29

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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.