Home / 1,311,714.56-1,968,693.36-513,556.61

Finding the Fourth Proportional to 1,311,714.56, 1,968,693.36 and 513,556.61

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Solution

The fourth proportional to 1,311,714.56, 1,968,693.36 and 513,556.61 is: 770,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,714.56 : 1,968,693.36 = 513,556.61 : x
  2. Step 2: Convert to fraction form
    1,311,714.56/1,968,693.36 = 513,556.61/x
  3. Step 3: Cross multiply
    1,311,714.56x = 1,968,693.36 × 513,556.61
  4. Step 4: Simplify right side
    1,311,714.56x = 1,011,035,476,321.81
  5. Step 5: Solve for x
    x = 1,011,035,476,321.81/1,311,714.56
  6. Step 6: Final answer
    x = 770,774.00

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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.