Home / 1,297,893.37-1,791,082.12-717,114.67

Finding the Fourth Proportional to 1,297,893.37, 1,791,082.12 and 717,114.67

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Solution

The fourth proportional to 1,297,893.37, 1,791,082.12 and 717,114.67 is: 989,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,893.37 : 1,791,082.12 = 717,114.67 : x
  2. Step 2: Convert to fraction form
    1,297,893.37/1,791,082.12 = 717,114.67/x
  3. Step 3: Cross multiply
    1,297,893.37x = 1,791,082.12 × 717,114.67
  4. Step 4: Simplify right side
    1,297,893.37x = 1,284,411,263,426.70
  5. Step 5: Solve for x
    x = 1,284,411,263,426.70/1,297,893.37
  6. Step 6: Final answer
    x = 989,612.32

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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.