Home / 885,687.45-1,222,415.54-554,696.84

Finding the Fourth Proportional to 885,687.45, 1,222,415.54 and 554,696.84

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Solution

The fourth proportional to 885,687.45, 1,222,415.54 and 554,696.84 is: 765,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,687.45 : 1,222,415.54 = 554,696.84 : x
  2. Step 2: Convert to fraction form
    885,687.45/1,222,415.54 = 554,696.84/x
  3. Step 3: Cross multiply
    885,687.45x = 1,222,415.54 × 554,696.84
  4. Step 4: Simplify right side
    885,687.45x = 678,070,028,319.33
  5. Step 5: Solve for x
    x = 678,070,028,319.33/885,687.45
  6. Step 6: Final answer
    x = 765,586.13

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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.