Home / 1,128,485.99-1,692,857.42-409,166.44

Finding the Fourth Proportional to 1,128,485.99, 1,692,857.42 and 409,166.44

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Solution

The fourth proportional to 1,128,485.99, 1,692,857.42 and 409,166.44 is: 613,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,485.99 : 1,692,857.42 = 409,166.44 : x
  2. Step 2: Convert to fraction form
    1,128,485.99/1,692,857.42 = 409,166.44/x
  3. Step 3: Cross multiply
    1,128,485.99x = 1,692,857.42 × 409,166.44
  4. Step 4: Simplify right side
    1,128,485.99x = 692,660,440,759.76
  5. Step 5: Solve for x
    x = 692,660,440,759.76/1,128,485.99
  6. Step 6: Final answer
    x = 613,796.23

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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.