Home / 1,069,238.80-1,603,860.27-259,619.82

Finding the Fourth Proportional to 1,069,238.80, 1,603,860.27 and 259,619.82

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Solution

The fourth proportional to 1,069,238.80, 1,603,860.27 and 259,619.82 is: 389,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,238.80 : 1,603,860.27 = 259,619.82 : x
  2. Step 2: Convert to fraction form
    1,069,238.80/1,603,860.27 = 259,619.82/x
  3. Step 3: Cross multiply
    1,069,238.80x = 1,603,860.27 × 259,619.82
  4. Step 4: Simplify right side
    1,069,238.80x = 416,393,914,602.55
  5. Step 5: Solve for x
    x = 416,393,914,602.55/1,069,238.80
  6. Step 6: Final answer
    x = 389,430.23

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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.