Home / 1,219,656.23-1,683,080.19-703,431.73

Finding the Fourth Proportional to 1,219,656.23, 1,683,080.19 and 703,431.73

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Solution

The fourth proportional to 1,219,656.23, 1,683,080.19 and 703,431.73 is: 970,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,656.23 : 1,683,080.19 = 703,431.73 : x
  2. Step 2: Convert to fraction form
    1,219,656.23/1,683,080.19 = 703,431.73/x
  3. Step 3: Cross multiply
    1,219,656.23x = 1,683,080.19 × 703,431.73
  4. Step 4: Simplify right side
    1,219,656.23x = 1,183,932,009,780.43
  5. Step 5: Solve for x
    x = 1,183,932,009,780.43/1,219,656.23
  6. Step 6: Final answer
    x = 970,709.60

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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.