Home / 1,480,611.96-2,220,572.88-415,756.80

Finding the Fourth Proportional to 1,480,611.96, 2,220,572.88 and 415,756.80

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Solution

The fourth proportional to 1,480,611.96, 2,220,572.88 and 415,756.80 is: 623,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,611.96 : 2,220,572.88 = 415,756.80 : x
  2. Step 2: Convert to fraction form
    1,480,611.96/2,220,572.88 = 415,756.80/x
  3. Step 3: Cross multiply
    1,480,611.96x = 2,220,572.88 × 415,756.80
  4. Step 4: Simplify right side
    1,480,611.96x = 923,218,274,755.58
  5. Step 5: Solve for x
    x = 923,218,274,755.58/1,480,611.96
  6. Step 6: Final answer
    x = 623,538.31

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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.