Home / 666,914.49-1,000,530.87-217,636.19

Finding the Fourth Proportional to 666,914.49, 1,000,530.87 and 217,636.19

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Solution

The fourth proportional to 666,914.49, 1,000,530.87 and 217,636.19 is: 326,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,914.49 : 1,000,530.87 = 217,636.19 : x
  2. Step 2: Convert to fraction form
    666,914.49/1,000,530.87 = 217,636.19/x
  3. Step 3: Cross multiply
    666,914.49x = 1,000,530.87 × 217,636.19
  4. Step 4: Simplify right side
    666,914.49x = 217,751,726,524.19
  5. Step 5: Solve for x
    x = 217,751,726,524.19/666,914.49
  6. Step 6: Final answer
    x = 326,506.22

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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.