Home / 1,229,572.69-1,696,806.96-685,709.06

Finding the Fourth Proportional to 1,229,572.69, 1,696,806.96 and 685,709.06

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Solution

The fourth proportional to 1,229,572.69, 1,696,806.96 and 685,709.06 is: 946,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,572.69 : 1,696,806.96 = 685,709.06 : x
  2. Step 2: Convert to fraction form
    1,229,572.69/1,696,806.96 = 685,709.06/x
  3. Step 3: Cross multiply
    1,229,572.69x = 1,696,806.96 × 685,709.06
  4. Step 4: Simplify right side
    1,229,572.69x = 1,163,515,905,543.06
  5. Step 5: Solve for x
    x = 1,163,515,905,543.06/1,229,572.69
  6. Step 6: Final answer
    x = 946,276.63

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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.