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Finding the Fourth Proportional to 1,759,878, 2,428,660.80 and 955,062

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Solution

The fourth proportional to 1,759,878, 2,428,660.80 and 955,062 is: 1,318,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,878 : 2,428,660.80 = 955,062 : x
  2. Step 2: Convert to fraction form
    1,759,878/2,428,660.80 = 955,062/x
  3. Step 3: Cross multiply
    1,759,878x = 2,428,660.80 × 955,062
  4. Step 4: Simplify right side
    1,759,878x = 2,319,521,640,969.60
  5. Step 5: Solve for x
    x = 2,319,521,640,969.60/1,759,878
  6. Step 6: Final answer
    x = 1,318,001.38

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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.