Home / 865,064.62-1,193,825.44-497,541.85

Finding the Fourth Proportional to 865,064.62, 1,193,825.44 and 497,541.85

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Solution

The fourth proportional to 865,064.62, 1,193,825.44 and 497,541.85 is: 686,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,064.62 : 1,193,825.44 = 497,541.85 : x
  2. Step 2: Convert to fraction form
    865,064.62/1,193,825.44 = 497,541.85/x
  3. Step 3: Cross multiply
    865,064.62x = 1,193,825.44 × 497,541.85
  4. Step 4: Simplify right side
    865,064.62x = 593,978,117,994.66
  5. Step 5: Solve for x
    x = 593,978,117,994.66/865,064.62
  6. Step 6: Final answer
    x = 686,628.61

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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.