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Finding the Fourth Proportional to 1,194,383, 1,648,248.54 and 657,839

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Solution

The fourth proportional to 1,194,383, 1,648,248.54 and 657,839 is: 907,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,383 : 1,648,248.54 = 657,839 : x
  2. Step 2: Convert to fraction form
    1,194,383/1,648,248.54 = 657,839/x
  3. Step 3: Cross multiply
    1,194,383x = 1,648,248.54 × 657,839
  4. Step 4: Simplify right side
    1,194,383x = 1,084,282,171,305.06
  5. Step 5: Solve for x
    x = 1,084,282,171,305.06/1,194,383
  6. Step 6: Final answer
    x = 907,817.82

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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.