Home / 1,228,670.91-1,695,573.73-684,841.23

Finding the Fourth Proportional to 1,228,670.91, 1,695,573.73 and 684,841.23

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Solution

The fourth proportional to 1,228,670.91, 1,695,573.73 and 684,841.23 is: 945,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,670.91 : 1,695,573.73 = 684,841.23 : x
  2. Step 2: Convert to fraction form
    1,228,670.91/1,695,573.73 = 684,841.23/x
  3. Step 3: Cross multiply
    1,228,670.91x = 1,695,573.73 × 684,841.23
  4. Step 4: Simplify right side
    1,228,670.91x = 1,161,198,786,906.81
  5. Step 5: Solve for x
    x = 1,161,198,786,906.81/1,228,670.91
  6. Step 6: Final answer
    x = 945,085.28

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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.