Home / 1,270,438.07-1,903,975.27-931,893.71

Finding the Fourth Proportional to 1,270,438.07, 1,903,975.27 and 931,893.71

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Solution

The fourth proportional to 1,270,438.07, 1,903,975.27 and 931,893.71 is: 1,396,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,438.07 : 1,903,975.27 = 931,893.71 : x
  2. Step 2: Convert to fraction form
    1,270,438.07/1,903,975.27 = 931,893.71/x
  3. Step 3: Cross multiply
    1,270,438.07x = 1,903,975.27 × 931,893.71
  4. Step 4: Simplify right side
    1,270,438.07x = 1,774,302,566,258.94
  5. Step 5: Solve for x
    x = 1,774,302,566,258.94/1,270,438.07
  6. Step 6: Final answer
    x = 1,396,606.90

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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.