Home / 825,927.65-1,238,629.03-561,388.13

Finding the Fourth Proportional to 825,927.65, 1,238,629.03 and 561,388.13

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Solution

The fourth proportional to 825,927.65, 1,238,629.03 and 561,388.13 is: 841,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,927.65 : 1,238,629.03 = 561,388.13 : x
  2. Step 2: Convert to fraction form
    825,927.65/1,238,629.03 = 561,388.13/x
  3. Step 3: Cross multiply
    825,927.65x = 1,238,629.03 × 561,388.13
  4. Step 4: Simplify right side
    825,927.65x = 695,351,631,963.66
  5. Step 5: Solve for x
    x = 695,351,631,963.66/825,927.65
  6. Step 6: Final answer
    x = 841,903.81

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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.