Home / 697,467.22-962,256.96-455,889.04

Finding the Fourth Proportional to 697,467.22, 962,256.96 and 455,889.04

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Solution

The fourth proportional to 697,467.22, 962,256.96 and 455,889.04 is: 628,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,467.22 : 962,256.96 = 455,889.04 : x
  2. Step 2: Convert to fraction form
    697,467.22/962,256.96 = 455,889.04/x
  3. Step 3: Cross multiply
    697,467.22x = 962,256.96 × 455,889.04
  4. Step 4: Simplify right side
    697,467.22x = 438,682,401,727.72
  5. Step 5: Solve for x
    x = 438,682,401,727.72/697,467.22
  6. Step 6: Final answer
    x = 628,964.90

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1.5x scale

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.