Home / 865,838.80-1,194,083.88-543,578.92

Finding the Fourth Proportional to 865,838.80, 1,194,083.88 and 543,578.92

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Solution

The fourth proportional to 865,838.80, 1,194,083.88 and 543,578.92 is: 749,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,838.80 : 1,194,083.88 = 543,578.92 : x
  2. Step 2: Convert to fraction form
    865,838.80/1,194,083.88 = 543,578.92/x
  3. Step 3: Cross multiply
    865,838.80x = 1,194,083.88 × 543,578.92
  4. Step 4: Simplify right side
    865,838.80x = 649,078,825,879.81
  5. Step 5: Solve for x
    x = 649,078,825,879.81/865,838.80
  6. Step 6: Final answer
    x = 749,653.20

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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.