Home / 715,631.60-1,073,039.16-294,405.68

Finding the Fourth Proportional to 715,631.60, 1,073,039.16 and 294,405.68

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Solution

The fourth proportional to 715,631.60, 1,073,039.16 and 294,405.68 is: 441,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,631.60 : 1,073,039.16 = 294,405.68 : x
  2. Step 2: Convert to fraction form
    715,631.60/1,073,039.16 = 294,405.68/x
  3. Step 3: Cross multiply
    715,631.60x = 1,073,039.16 × 294,405.68
  4. Step 4: Simplify right side
    715,631.60x = 315,908,823,566.43
  5. Step 5: Solve for x
    x = 315,908,823,566.43/715,631.60
  6. Step 6: Final answer
    x = 441,440.57

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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.