Home / 715,629.60-1,073,036.16-294,403.68

Finding the Fourth Proportional to 715,629.60, 1,073,036.16 and 294,403.68

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Solution

The fourth proportional to 715,629.60, 1,073,036.16 and 294,403.68 is: 441,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,629.60 : 1,073,036.16 = 294,403.68 : x
  2. Step 2: Convert to fraction form
    715,629.60/1,073,036.16 = 294,403.68/x
  3. Step 3: Cross multiply
    715,629.60x = 1,073,036.16 × 294,403.68
  4. Step 4: Simplify right side
    715,629.60x = 315,905,794,277.07
  5. Step 5: Solve for x
    x = 315,905,794,277.07/715,629.60
  6. Step 6: Final answer
    x = 441,437.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.