Home / 787,544.64-1,084,524.39-684,131.40

Finding the Fourth Proportional to 787,544.64, 1,084,524.39 and 684,131.40

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Solution

The fourth proportional to 787,544.64, 1,084,524.39 and 684,131.40 is: 942,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,544.64 : 1,084,524.39 = 684,131.40 : x
  2. Step 2: Convert to fraction form
    787,544.64/1,084,524.39 = 684,131.40/x
  3. Step 3: Cross multiply
    787,544.64x = 1,084,524.39 × 684,131.40
  4. Step 4: Simplify right side
    787,544.64x = 741,957,189,264.85
  5. Step 5: Solve for x
    x = 741,957,189,264.85/787,544.64
  6. Step 6: Final answer
    x = 942,114.45

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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.