Home / 1,069,239.16-1,603,860.80-259,620.16

Finding the Fourth Proportional to 1,069,239.16, 1,603,860.80 and 259,620.16

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Solution

The fourth proportional to 1,069,239.16, 1,603,860.80 and 259,620.16 is: 389,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,239.16 : 1,603,860.80 = 259,620.16 : x
  2. Step 2: Convert to fraction form
    1,069,239.16/1,603,860.80 = 259,620.16/x
  3. Step 3: Cross multiply
    1,069,239.16x = 1,603,860.80 × 259,620.16
  4. Step 4: Simplify right side
    1,069,239.16x = 416,394,597,513.73
  5. Step 5: Solve for x
    x = 416,394,597,513.73/1,069,239.16
  6. Step 6: Final answer
    x = 389,430.74

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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.