Home / 666,941.12-1,000,570.85-217,662.83

Finding the Fourth Proportional to 666,941.12, 1,000,570.85 and 217,662.83

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Solution

The fourth proportional to 666,941.12, 1,000,570.85 and 217,662.83 is: 326,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,941.12 : 1,000,570.85 = 217,662.83 : x
  2. Step 2: Convert to fraction form
    666,941.12/1,000,570.85 = 217,662.83/x
  3. Step 3: Cross multiply
    666,941.12x = 1,000,570.85 × 217,662.83
  4. Step 4: Simplify right side
    666,941.12x = 217,787,081,738.19
  5. Step 5: Solve for x
    x = 217,787,081,738.19/666,941.12
  6. Step 6: Final answer
    x = 326,546.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.