Home / 988,185.12-1,363,696.56-535,476.48

Finding the Fourth Proportional to 988,185.12, 1,363,696.56 and 535,476.48

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Solution

The fourth proportional to 988,185.12, 1,363,696.56 and 535,476.48 is: 738,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,185.12 : 1,363,696.56 = 535,476.48 : x
  2. Step 2: Convert to fraction form
    988,185.12/1,363,696.56 = 535,476.48/x
  3. Step 3: Cross multiply
    988,185.12x = 1,363,696.56 × 535,476.48
  4. Step 4: Simplify right side
    988,185.12x = 730,227,433,736.91
  5. Step 5: Solve for x
    x = 730,227,433,736.91/988,185.12
  6. Step 6: Final answer
    x = 738,958.14

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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.