Home / 839,133.69-1,258,149.06-406,736.70

Finding the Fourth Proportional to 839,133.69, 1,258,149.06 and 406,736.70

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Solution

The fourth proportional to 839,133.69, 1,258,149.06 and 406,736.70 is: 609,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,133.69 : 1,258,149.06 = 406,736.70 : x
  2. Step 2: Convert to fraction form
    839,133.69/1,258,149.06 = 406,736.70/x
  3. Step 3: Cross multiply
    839,133.69x = 1,258,149.06 × 406,736.70
  4. Step 4: Simplify right side
    839,133.69x = 511,735,396,772.50
  5. Step 5: Solve for x
    x = 511,735,396,772.50/839,133.69
  6. Step 6: Final answer
    x = 609,837.74

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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.