Home / 819,152.94-1,228,532.58-419,588.04

Finding the Fourth Proportional to 819,152.94, 1,228,532.58 and 419,588.04

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Solution

The fourth proportional to 819,152.94, 1,228,532.58 and 419,588.04 is: 629,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,152.94 : 1,228,532.58 = 419,588.04 : x
  2. Step 2: Convert to fraction form
    819,152.94/1,228,532.58 = 419,588.04/x
  3. Step 3: Cross multiply
    819,152.94x = 1,228,532.58 × 419,588.04
  4. Step 4: Simplify right side
    819,152.94x = 515,477,577,318.34
  5. Step 5: Solve for x
    x = 515,477,577,318.34/819,152.94
  6. Step 6: Final answer
    x = 629,281.24

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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.