Home / 919,847.97-1,379,778.23-351,075.69

Finding the Fourth Proportional to 919,847.97, 1,379,778.23 and 351,075.69

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Solution

The fourth proportional to 919,847.97, 1,379,778.23 and 351,075.69 is: 526,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,847.97 : 1,379,778.23 = 351,075.69 : x
  2. Step 2: Convert to fraction form
    919,847.97/1,379,778.23 = 351,075.69/x
  3. Step 3: Cross multiply
    919,847.97x = 1,379,778.23 × 351,075.69
  4. Step 4: Simplify right side
    919,847.97x = 484,406,595,021.92
  5. Step 5: Solve for x
    x = 484,406,595,021.92/919,847.97
  6. Step 6: Final answer
    x = 526,615.93

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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.