Home / 848,240-1,170,573.63-485,669.42

Finding the Fourth Proportional to 848,240, 1,170,573.63 and 485,669.42

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Solution

The fourth proportional to 848,240, 1,170,573.63 and 485,669.42 is: 670,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,240 : 1,170,573.63 = 485,669.42 : x
  2. Step 2: Convert to fraction form
    848,240/1,170,573.63 = 485,669.42/x
  3. Step 3: Cross multiply
    848,240x = 1,170,573.63 × 485,669.42
  4. Step 4: Simplify right side
    848,240x = 568,511,815,949.40
  5. Step 5: Solve for x
    x = 568,511,815,949.40/848,240
  6. Step 6: Final answer
    x = 670,225.19

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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.