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Finding the Fourth Proportional to 1,274,885.76, 1,759,415.04 and 702,048

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Solution

The fourth proportional to 1,274,885.76, 1,759,415.04 and 702,048 is: 968,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,885.76 : 1,759,415.04 = 702,048 : x
  2. Step 2: Convert to fraction form
    1,274,885.76/1,759,415.04 = 702,048/x
  3. Step 3: Cross multiply
    1,274,885.76x = 1,759,415.04 × 702,048
  4. Step 4: Simplify right side
    1,274,885.76x = 1,235,193,810,001.92
  5. Step 5: Solve for x
    x = 1,235,193,810,001.92/1,274,885.76
  6. Step 6: Final answer
    x = 968,866.27

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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.