Home / 1,131,401.21-1,697,571.80-457,958.57

Finding the Fourth Proportional to 1,131,401.21, 1,697,571.80 and 457,958.57

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Solution

The fourth proportional to 1,131,401.21, 1,697,571.80 and 457,958.57 is: 687,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,401.21 : 1,697,571.80 = 457,958.57 : x
  2. Step 2: Convert to fraction form
    1,131,401.21/1,697,571.80 = 457,958.57/x
  3. Step 3: Cross multiply
    1,131,401.21x = 1,697,571.80 × 457,958.57
  4. Step 4: Simplify right side
    1,131,401.21x = 777,417,551,710.53
  5. Step 5: Solve for x
    x = 777,417,551,710.53/1,131,401.21
  6. Step 6: Final answer
    x = 687,128.09

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1.5x scale

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.