Home / 1,639,129.43-2,458,505.01-440,957.59

Finding the Fourth Proportional to 1,639,129.43, 2,458,505.01 and 440,957.59

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Solution

The fourth proportional to 1,639,129.43, 2,458,505.01 and 440,957.59 is: 661,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,129.43 : 2,458,505.01 = 440,957.59 : x
  2. Step 2: Convert to fraction form
    1,639,129.43/2,458,505.01 = 440,957.59/x
  3. Step 3: Cross multiply
    1,639,129.43x = 2,458,505.01 × 440,957.59
  4. Step 4: Simplify right side
    1,639,129.43x = 1,084,096,439,719.85
  5. Step 5: Solve for x
    x = 1,084,096,439,719.85/1,639,129.43
  6. Step 6: Final answer
    x = 661,385.50

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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.