Home / 1,639,129.25-2,458,504.73-440,957.40

Finding the Fourth Proportional to 1,639,129.25, 2,458,504.73 and 440,957.40

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Solution

The fourth proportional to 1,639,129.25, 2,458,504.73 and 440,957.40 is: 661,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,129.25 : 2,458,504.73 = 440,957.40 : x
  2. Step 2: Convert to fraction form
    1,639,129.25/2,458,504.73 = 440,957.40/x
  3. Step 3: Cross multiply
    1,639,129.25x = 2,458,504.73 × 440,957.40
  4. Step 4: Simplify right side
    1,639,129.25x = 1,084,095,853,628.50
  5. Step 5: Solve for x
    x = 1,084,095,853,628.50/1,639,129.25
  6. Step 6: Final answer
    x = 661,385.22

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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.