Home / 645,946.56-968,268.49-406,231.77

Finding the Fourth Proportional to 645,946.56, 968,268.49 and 406,231.77

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Solution

The fourth proportional to 645,946.56, 968,268.49 and 406,231.77 is: 608,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,946.56 : 968,268.49 = 406,231.77 : x
  2. Step 2: Convert to fraction form
    645,946.56/968,268.49 = 406,231.77/x
  3. Step 3: Cross multiply
    645,946.56x = 968,268.49 × 406,231.77
  4. Step 4: Simplify right side
    645,946.56x = 393,341,422,527.93
  5. Step 5: Solve for x
    x = 393,341,422,527.93/645,946.56
  6. Step 6: Final answer
    x = 608,938.03

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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.