Home / 785,476.59-1,083,586.89-671,974.48

Finding the Fourth Proportional to 785,476.59, 1,083,586.89 and 671,974.48

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Solution

The fourth proportional to 785,476.59, 1,083,586.89 and 671,974.48 is: 927,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,476.59 : 1,083,586.89 = 671,974.48 : x
  2. Step 2: Convert to fraction form
    785,476.59/1,083,586.89 = 671,974.48/x
  3. Step 3: Cross multiply
    785,476.59x = 1,083,586.89 × 671,974.48
  4. Step 4: Simplify right side
    785,476.59x = 728,142,738,927.03
  5. Step 5: Solve for x
    x = 728,142,738,927.03/785,476.59
  6. Step 6: Final answer
    x = 927,007.56

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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.