Home / 771,611.19-1,156,993.97-238,984.35

Finding the Fourth Proportional to 771,611.19, 1,156,993.97 and 238,984.35

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Solution

The fourth proportional to 771,611.19, 1,156,993.97 and 238,984.35 is: 358,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,611.19 : 1,156,993.97 = 238,984.35 : x
  2. Step 2: Convert to fraction form
    771,611.19/1,156,993.97 = 238,984.35/x
  3. Step 3: Cross multiply
    771,611.19x = 1,156,993.97 × 238,984.35
  4. Step 4: Simplify right side
    771,611.19x = 276,503,450,679.45
  5. Step 5: Solve for x
    x = 276,503,450,679.45/771,611.19
  6. Step 6: Final answer
    x = 358,345.57

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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.