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Finding the Fourth Proportional to 1,260,648.72, 1,739,840.04 and 701,899.92

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Solution

The fourth proportional to 1,260,648.72, 1,739,840.04 and 701,899.92 is: 968,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,648.72 : 1,739,840.04 = 701,899.92 : x
  2. Step 2: Convert to fraction form
    1,260,648.72/1,739,840.04 = 701,899.92/x
  3. Step 3: Cross multiply
    1,260,648.72x = 1,739,840.04 × 701,899.92
  4. Step 4: Simplify right side
    1,260,648.72x = 1,221,193,584,888.80
  5. Step 5: Solve for x
    x = 1,221,193,584,888.80/1,260,648.72
  6. Step 6: Final answer
    x = 968,702.51

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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.