Home / 1,112,358.86-1,668,696.99-343,922.69

Finding the Fourth Proportional to 1,112,358.86, 1,668,696.99 and 343,922.69

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Solution

The fourth proportional to 1,112,358.86, 1,668,696.99 and 343,922.69 is: 515,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,358.86 : 1,668,696.99 = 343,922.69 : x
  2. Step 2: Convert to fraction form
    1,112,358.86/1,668,696.99 = 343,922.69/x
  3. Step 3: Cross multiply
    1,112,358.86x = 1,668,696.99 × 343,922.69
  4. Step 4: Simplify right side
    1,112,358.86x = 573,902,749,252.22
  5. Step 5: Solve for x
    x = 573,902,749,252.22/1,112,358.86
  6. Step 6: Final answer
    x = 515,933.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.