Home / 1,261,525.60-1,741,465.20-854,218.72

Finding the Fourth Proportional to 1,261,525.60, 1,741,465.20 and 854,218.72

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Solution

The fourth proportional to 1,261,525.60, 1,741,465.20 and 854,218.72 is: 1,179,200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,525.60 : 1,741,465.20 = 854,218.72 : x
  2. Step 2: Convert to fraction form
    1,261,525.60/1,741,465.20 = 854,218.72/x
  3. Step 3: Cross multiply
    1,261,525.60x = 1,741,465.20 × 854,218.72
  4. Step 4: Simplify right side
    1,261,525.60x = 1,487,592,174,068.54
  5. Step 5: Solve for x
    x = 1,487,592,174,068.54/1,261,525.60
  6. Step 6: Final answer
    x = 1,179,200.94

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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.