Home / 691,171.51-1,036,601.74-247,939.51

Finding the Fourth Proportional to 691,171.51, 1,036,601.74 and 247,939.51

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Solution

The fourth proportional to 691,171.51, 1,036,601.74 and 247,939.51 is: 371,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,171.51 : 1,036,601.74 = 247,939.51 : x
  2. Step 2: Convert to fraction form
    691,171.51/1,036,601.74 = 247,939.51/x
  3. Step 3: Cross multiply
    691,171.51x = 1,036,601.74 × 247,939.51
  4. Step 4: Simplify right side
    691,171.51x = 257,014,527,480.75
  5. Step 5: Solve for x
    x = 257,014,527,480.75/691,171.51
  6. Step 6: Final answer
    x = 371,853.47

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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.