Home / 1,185,674.36-1,636,231.39-641,814.62

Finding the Fourth Proportional to 1,185,674.36, 1,636,231.39 and 641,814.62

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Solution

The fourth proportional to 1,185,674.36, 1,636,231.39 and 641,814.62 is: 885,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,674.36 : 1,636,231.39 = 641,814.62 : x
  2. Step 2: Convert to fraction form
    1,185,674.36/1,636,231.39 = 641,814.62/x
  3. Step 3: Cross multiply
    1,185,674.36x = 1,636,231.39 × 641,814.62
  4. Step 4: Simplify right side
    1,185,674.36x = 1,050,157,223,771.61
  5. Step 5: Solve for x
    x = 1,050,157,223,771.61/1,185,674.36
  6. Step 6: Final answer
    x = 885,704.59

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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.