Home / 1,208,968.82-1,668,387.82-657,696.54

Finding the Fourth Proportional to 1,208,968.82, 1,668,387.82 and 657,696.54

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Solution

The fourth proportional to 1,208,968.82, 1,668,387.82 and 657,696.54 is: 907,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,968.82 : 1,668,387.82 = 657,696.54 : x
  2. Step 2: Convert to fraction form
    1,208,968.82/1,668,387.82 = 657,696.54/x
  3. Step 3: Cross multiply
    1,208,968.82x = 1,668,387.82 × 657,696.54
  4. Step 4: Simplify right side
    1,208,968.82x = 1,097,292,896,592.14
  5. Step 5: Solve for x
    x = 1,097,292,896,592.14/1,208,968.82
  6. Step 6: Final answer
    x = 907,627.13

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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.