Home / 1,299,969.60-1,793,951.92-727,012.05

Finding the Fourth Proportional to 1,299,969.60, 1,793,951.92 and 727,012.05

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Solution

The fourth proportional to 1,299,969.60, 1,793,951.92 and 727,012.05 is: 1,003,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,969.60 : 1,793,951.92 = 727,012.05 : x
  2. Step 2: Convert to fraction form
    1,299,969.60/1,793,951.92 = 727,012.05/x
  3. Step 3: Cross multiply
    1,299,969.60x = 1,793,951.92 × 727,012.05
  4. Step 4: Simplify right side
    1,299,969.60x = 1,304,224,662,960.64
  5. Step 5: Solve for x
    x = 1,304,224,662,960.64/1,299,969.60
  6. Step 6: Final answer
    x = 1,003,273.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.