Home / 863,835.78-1,192,018.59-557,925.48

Finding the Fourth Proportional to 863,835.78, 1,192,018.59 and 557,925.48

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Solution

The fourth proportional to 863,835.78, 1,192,018.59 and 557,925.48 is: 769,888.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,835.78 : 1,192,018.59 = 557,925.48 : x
  2. Step 2: Convert to fraction form
    863,835.78/1,192,018.59 = 557,925.48/x
  3. Step 3: Cross multiply
    863,835.78x = 1,192,018.59 × 557,925.48
  4. Step 4: Simplify right side
    863,835.78x = 665,057,543,994.67
  5. Step 5: Solve for x
    x = 665,057,543,994.67/863,835.78
  6. Step 6: Final answer
    x = 769,888.86

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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.