Home / 874,724.15-1,207,524.58-616,811.24

Finding the Fourth Proportional to 874,724.15, 1,207,524.58 and 616,811.24

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Solution

The fourth proportional to 874,724.15, 1,207,524.58 and 616,811.24 is: 851,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,724.15 : 1,207,524.58 = 616,811.24 : x
  2. Step 2: Convert to fraction form
    874,724.15/1,207,524.58 = 616,811.24/x
  3. Step 3: Cross multiply
    874,724.15x = 1,207,524.58 × 616,811.24
  4. Step 4: Simplify right side
    874,724.15x = 744,814,734,997.06
  5. Step 5: Solve for x
    x = 744,814,734,997.06/874,724.15
  6. Step 6: Final answer
    x = 851,485.27

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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.