Home / 1,317,893.92-1,818,644.64-714,268.96

Finding the Fourth Proportional to 1,317,893.92, 1,818,644.64 and 714,268.96

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Solution

The fourth proportional to 1,317,893.92, 1,818,644.64 and 714,268.96 is: 985,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,893.92 : 1,818,644.64 = 714,268.96 : x
  2. Step 2: Convert to fraction form
    1,317,893.92/1,818,644.64 = 714,268.96/x
  3. Step 3: Cross multiply
    1,317,893.92x = 1,818,644.64 × 714,268.96
  4. Step 4: Simplify right side
    1,317,893.92x = 1,299,001,415,622.37
  5. Step 5: Solve for x
    x = 1,299,001,415,622.37/1,317,893.92
  6. Step 6: Final answer
    x = 985,664.62

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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.