Home / 816,127.20-1,224,190.80-695,404.80

Finding the Fourth Proportional to 816,127.20, 1,224,190.80 and 695,404.80

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Solution

The fourth proportional to 816,127.20, 1,224,190.80 and 695,404.80 is: 1,043,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,127.20 : 1,224,190.80 = 695,404.80 : x
  2. Step 2: Convert to fraction form
    816,127.20/1,224,190.80 = 695,404.80/x
  3. Step 3: Cross multiply
    816,127.20x = 1,224,190.80 × 695,404.80
  4. Step 4: Simplify right side
    816,127.20x = 851,308,158,435.84
  5. Step 5: Solve for x
    x = 851,308,158,435.84/816,127.20
  6. Step 6: Final answer
    x = 1,043,107.20

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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.