Home / 867,907.44-1,300,942.62-394,924.95

Finding the Fourth Proportional to 867,907.44, 1,300,942.62 and 394,924.95

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Solution

The fourth proportional to 867,907.44, 1,300,942.62 and 394,924.95 is: 591,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,907.44 : 1,300,942.62 = 394,924.95 : x
  2. Step 2: Convert to fraction form
    867,907.44/1,300,942.62 = 394,924.95/x
  3. Step 3: Cross multiply
    867,907.44x = 1,300,942.62 × 394,924.95
  4. Step 4: Simplify right side
    867,907.44x = 513,774,699,156.37
  5. Step 5: Solve for x
    x = 513,774,699,156.37/867,907.44
  6. Step 6: Final answer
    x = 591,969.46

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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.