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Finding the Fourth Proportional to 1,267,094.04, 1,747,927.26 and 783,504.60

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Solution

The fourth proportional to 1,267,094.04, 1,747,927.26 and 783,504.60 is: 1,080,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,094.04 : 1,747,927.26 = 783,504.60 : x
  2. Step 2: Convert to fraction form
    1,267,094.04/1,747,927.26 = 783,504.60/x
  3. Step 3: Cross multiply
    1,267,094.04x = 1,747,927.26 × 783,504.60
  4. Step 4: Simplify right side
    1,267,094.04x = 1,369,509,048,675.40
  5. Step 5: Solve for x
    x = 1,369,509,048,675.40/1,267,094.04
  6. Step 6: Final answer
    x = 1,080,826.68

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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.