Home / 598,619.20-897,928.80-521,636.80

Finding the Fourth Proportional to 598,619.20, 897,928.80 and 521,636.80

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Solution

The fourth proportional to 598,619.20, 897,928.80 and 521,636.80 is: 782,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,619.20 : 897,928.80 = 521,636.80 : x
  2. Step 2: Convert to fraction form
    598,619.20/897,928.80 = 521,636.80/x
  3. Step 3: Cross multiply
    598,619.20x = 897,928.80 × 521,636.80
  4. Step 4: Simplify right side
    598,619.20x = 468,392,705,859.84
  5. Step 5: Solve for x
    x = 468,392,705,859.84/598,619.20
  6. Step 6: Final answer
    x = 782,455.20

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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.