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Finding the Fourth Proportional to 1,012,397.76, 1,397,460.75 and 582,849.09

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Solution

The fourth proportional to 1,012,397.76, 1,397,460.75 and 582,849.09 is: 804,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,397.76 : 1,397,460.75 = 582,849.09 : x
  2. Step 2: Convert to fraction form
    1,012,397.76/1,397,460.75 = 582,849.09/x
  3. Step 3: Cross multiply
    1,012,397.76x = 1,397,460.75 × 582,849.09
  4. Step 4: Simplify right side
    1,012,397.76x = 814,508,726,448.22
  5. Step 5: Solve for x
    x = 814,508,726,448.22/1,012,397.76
  6. Step 6: Final answer
    x = 804,534.30

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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.