Home / 943,912.60-1,415,868.90-279,064.60

Finding the Fourth Proportional to 943,912.60, 1,415,868.90 and 279,064.60

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Solution

The fourth proportional to 943,912.60, 1,415,868.90 and 279,064.60 is: 418,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,912.60 : 1,415,868.90 = 279,064.60 : x
  2. Step 2: Convert to fraction form
    943,912.60/1,415,868.90 = 279,064.60/x
  3. Step 3: Cross multiply
    943,912.60x = 1,415,868.90 × 279,064.60
  4. Step 4: Simplify right side
    943,912.60x = 395,118,888,230.94
  5. Step 5: Solve for x
    x = 395,118,888,230.94/943,912.60
  6. Step 6: Final answer
    x = 418,596.90

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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.