Home / 1,309,497.23-1,806,835.01-765,527.46

Finding the Fourth Proportional to 1,309,497.23, 1,806,835.01 and 765,527.46

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Solution

The fourth proportional to 1,309,497.23, 1,806,835.01 and 765,527.46 is: 1,056,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,497.23 : 1,806,835.01 = 765,527.46 : x
  2. Step 2: Convert to fraction form
    1,309,497.23/1,806,835.01 = 765,527.46/x
  3. Step 3: Cross multiply
    1,309,497.23x = 1,806,835.01 × 765,527.46
  4. Step 4: Simplify right side
    1,309,497.23x = 1,383,181,805,241.11
  5. Step 5: Solve for x
    x = 1,383,181,805,241.11/1,309,497.23
  6. Step 6: Final answer
    x = 1,056,269.36

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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.