Home / 713,246.50-1,069,115.64-263,678.68

Finding the Fourth Proportional to 713,246.50, 1,069,115.64 and 263,678.68

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Solution

The fourth proportional to 713,246.50, 1,069,115.64 and 263,678.68 is: 395,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,246.50 : 1,069,115.64 = 263,678.68 : x
  2. Step 2: Convert to fraction form
    713,246.50/1,069,115.64 = 263,678.68/x
  3. Step 3: Cross multiply
    713,246.50x = 1,069,115.64 × 263,678.68
  4. Step 4: Simplify right side
    713,246.50x = 281,903,000,722.56
  5. Step 5: Solve for x
    x = 281,903,000,722.56/713,246.50
  6. Step 6: Final answer
    x = 395,239.23

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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.