Home / 756,290.25-1,043,702.82-416,780.37

Finding the Fourth Proportional to 756,290.25, 1,043,702.82 and 416,780.37

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Solution

The fourth proportional to 756,290.25, 1,043,702.82 and 416,780.37 is: 575,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,290.25 : 1,043,702.82 = 416,780.37 : x
  2. Step 2: Convert to fraction form
    756,290.25/1,043,702.82 = 416,780.37/x
  3. Step 3: Cross multiply
    756,290.25x = 1,043,702.82 × 416,780.37
  4. Step 4: Simplify right side
    756,290.25x = 434,994,847,489.64
  5. Step 5: Solve for x
    x = 434,994,847,489.64/756,290.25
  6. Step 6: Final answer
    x = 575,169.19

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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.