Home / 986,828.43-1,361,678.26-551,192.11

Finding the Fourth Proportional to 986,828.43, 1,361,678.26 and 551,192.11

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Solution

The fourth proportional to 986,828.43, 1,361,678.26 and 551,192.11 is: 760,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,828.43 : 1,361,678.26 = 551,192.11 : x
  2. Step 2: Convert to fraction form
    986,828.43/1,361,678.26 = 551,192.11/x
  3. Step 3: Cross multiply
    986,828.43x = 1,361,678.26 × 551,192.11
  4. Step 4: Simplify right side
    986,828.43x = 750,546,313,270.53
  5. Step 5: Solve for x
    x = 750,546,313,270.53/986,828.43
  6. Step 6: Final answer
    x = 760,564.14

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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.