Home / 865,814.80-1,194,050.82-543,554.86

Finding the Fourth Proportional to 865,814.80, 1,194,050.82 and 543,554.86

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Solution

The fourth proportional to 865,814.80, 1,194,050.82 and 543,554.86 is: 749,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,814.80 : 1,194,050.82 = 543,554.86 : x
  2. Step 2: Convert to fraction form
    865,814.80/1,194,050.82 = 543,554.86/x
  3. Step 3: Cross multiply
    865,814.80x = 1,194,050.82 × 543,554.86
  4. Step 4: Simplify right side
    865,814.80x = 649,032,126,297.99
  5. Step 5: Solve for x
    x = 649,032,126,297.99/865,814.80
  6. Step 6: Final answer
    x = 749,620.04

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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.