Home / 1,271,579.22-1,754,690.85-698,643.54

Finding the Fourth Proportional to 1,271,579.22, 1,754,690.85 and 698,643.54

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Solution

The fourth proportional to 1,271,579.22, 1,754,690.85 and 698,643.54 is: 964,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,579.22 : 1,754,690.85 = 698,643.54 : x
  2. Step 2: Convert to fraction form
    1,271,579.22/1,754,690.85 = 698,643.54/x
  3. Step 3: Cross multiply
    1,271,579.22x = 1,754,690.85 × 698,643.54
  4. Step 4: Simplify right side
    1,271,579.22x = 1,225,903,427,049.61
  5. Step 5: Solve for x
    x = 1,225,903,427,049.61/1,271,579.22
  6. Step 6: Final answer
    x = 964,079.48

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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.