Home / 715,951.35-1,073,926.61-210,516.52

Finding the Fourth Proportional to 715,951.35, 1,073,926.61 and 210,516.52

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Solution

The fourth proportional to 715,951.35, 1,073,926.61 and 210,516.52 is: 315,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,951.35 : 1,073,926.61 = 210,516.52 : x
  2. Step 2: Convert to fraction form
    715,951.35/1,073,926.61 = 210,516.52/x
  3. Step 3: Cross multiply
    715,951.35x = 1,073,926.61 × 210,516.52
  4. Step 4: Simplify right side
    715,951.35x = 226,079,287,302.96
  5. Step 5: Solve for x
    x = 226,079,287,302.96/715,951.35
  6. Step 6: Final answer
    x = 315,774.65

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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.