Home / 913,629.22-1,260,793.05-505,722.31

Finding the Fourth Proportional to 913,629.22, 1,260,793.05 and 505,722.31

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Solution

The fourth proportional to 913,629.22, 1,260,793.05 and 505,722.31 is: 697,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,629.22 : 1,260,793.05 = 505,722.31 : x
  2. Step 2: Convert to fraction form
    913,629.22/1,260,793.05 = 505,722.31/x
  3. Step 3: Cross multiply
    913,629.22x = 1,260,793.05 × 505,722.31
  4. Step 4: Simplify right side
    913,629.22x = 637,611,173,677.95
  5. Step 5: Solve for x
    x = 637,611,173,677.95/913,629.22
  6. Step 6: Final answer
    x = 697,888.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.