Home / 835,578.24-1,152,976.32-477,813.12

Finding the Fourth Proportional to 835,578.24, 1,152,976.32 and 477,813.12

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Solution

The fourth proportional to 835,578.24, 1,152,976.32 and 477,813.12 is: 659,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,578.24 : 1,152,976.32 = 477,813.12 : x
  2. Step 2: Convert to fraction form
    835,578.24/1,152,976.32 = 477,813.12/x
  3. Step 3: Cross multiply
    835,578.24x = 1,152,976.32 × 477,813.12
  4. Step 4: Simplify right side
    835,578.24x = 550,907,212,745.32
  5. Step 5: Solve for x
    x = 550,907,212,745.32/835,578.24
  6. Step 6: Final answer
    x = 659,312.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.