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Finding the Fourth Proportional to 1,752,770, 2,418,822.60 and 947,954

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Solution

The fourth proportional to 1,752,770, 2,418,822.60 and 947,954 is: 1,308,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,770 : 2,418,822.60 = 947,954 : x
  2. Step 2: Convert to fraction form
    1,752,770/2,418,822.60 = 947,954/x
  3. Step 3: Cross multiply
    1,752,770x = 2,418,822.60 × 947,954
  4. Step 4: Simplify right side
    1,752,770x = 2,292,932,558,960.40
  5. Step 5: Solve for x
    x = 2,292,932,558,960.40/1,752,770
  6. Step 6: Final answer
    x = 1,308,176.52

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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.