Home / 856,580.40-1,182,658.32-765,644.94

Finding the Fourth Proportional to 856,580.40, 1,182,658.32 and 765,644.94

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Solution

The fourth proportional to 856,580.40, 1,182,658.32 and 765,644.94 is: 1,057,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,580.40 : 1,182,658.32 = 765,644.94 : x
  2. Step 2: Convert to fraction form
    856,580.40/1,182,658.32 = 765,644.94/x
  3. Step 3: Cross multiply
    856,580.40x = 1,182,658.32 × 765,644.94
  4. Step 4: Simplify right side
    856,580.40x = 905,496,358,456.90
  5. Step 5: Solve for x
    x = 905,496,358,456.90/856,580.40
  6. Step 6: Final answer
    x = 1,057,106.09

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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.