Home / 1,297,892.37-1,791,080.75-717,113.67

Finding the Fourth Proportional to 1,297,892.37, 1,791,080.75 and 717,113.67

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Solution

The fourth proportional to 1,297,892.37, 1,791,080.75 and 717,113.67 is: 989,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,892.37 : 1,791,080.75 = 717,113.67 : x
  2. Step 2: Convert to fraction form
    1,297,892.37/1,791,080.75 = 717,113.67/x
  3. Step 3: Cross multiply
    1,297,892.37x = 1,791,080.75 × 717,113.67
  4. Step 4: Simplify right side
    1,297,892.37x = 1,284,408,486,313.28
  5. Step 5: Solve for x
    x = 1,284,408,486,313.28/1,297,892.37
  6. Step 6: Final answer
    x = 989,610.94

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Why These Related Problems?

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