Home / 856,599.40-1,182,684.54-765,663.94

Finding the Fourth Proportional to 856,599.40, 1,182,684.54 and 765,663.94

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Solution

The fourth proportional to 856,599.40, 1,182,684.54 and 765,663.94 is: 1,057,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,599.40 : 1,182,684.54 = 765,663.94 : x
  2. Step 2: Convert to fraction form
    856,599.40/1,182,684.54 = 765,663.94/x
  3. Step 3: Cross multiply
    856,599.40x = 1,182,684.54 × 765,663.94
  4. Step 4: Simplify right side
    856,599.40x = 905,538,904,673.49
  5. Step 5: Solve for x
    x = 905,538,904,673.49/856,599.40
  6. Step 6: Final answer
    x = 1,057,132.31

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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.