Home / 1,284,707.44-1,772,752.80-711,605.44

Finding the Fourth Proportional to 1,284,707.44, 1,772,752.80 and 711,605.44

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Solution

The fourth proportional to 1,284,707.44, 1,772,752.80 and 711,605.44 is: 981,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,707.44 : 1,772,752.80 = 711,605.44 : x
  2. Step 2: Convert to fraction form
    1,284,707.44/1,772,752.80 = 711,605.44/x
  3. Step 3: Cross multiply
    1,284,707.44x = 1,772,752.80 × 711,605.44
  4. Step 4: Simplify right side
    1,284,707.44x = 1,261,500,536,255.23
  5. Step 5: Solve for x
    x = 1,261,500,536,255.23/1,284,707.44
  6. Step 6: Final answer
    x = 981,936.04

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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.