Home / 1,285,152.48-1,773,520.92-712,202.22

Finding the Fourth Proportional to 1,285,152.48, 1,773,520.92 and 712,202.22

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Solution

The fourth proportional to 1,285,152.48, 1,773,520.92 and 712,202.22 is: 982,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,152.48 : 1,773,520.92 = 712,202.22 : x
  2. Step 2: Convert to fraction form
    1,285,152.48/1,773,520.92 = 712,202.22/x
  3. Step 3: Cross multiply
    1,285,152.48x = 1,773,520.92 × 712,202.22
  4. Step 4: Simplify right side
    1,285,152.48x = 1,263,105,536,440.44
  5. Step 5: Solve for x
    x = 1,263,105,536,440.44/1,285,152.48
  6. Step 6: Final answer
    x = 982,844.88

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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.