Home / 1,280,167.58-1,921,196.21-606,247.58

Finding the Fourth Proportional to 1,280,167.58, 1,921,196.21 and 606,247.58

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Solution

The fourth proportional to 1,280,167.58, 1,921,196.21 and 606,247.58 is: 909,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,167.58 : 1,921,196.21 = 606,247.58 : x
  2. Step 2: Convert to fraction form
    1,280,167.58/1,921,196.21 = 606,247.58/x
  3. Step 3: Cross multiply
    1,280,167.58x = 1,921,196.21 × 606,247.58
  4. Step 4: Simplify right side
    1,280,167.58x = 1,164,720,540,380.45
  5. Step 5: Solve for x
    x = 1,164,720,540,380.45/1,280,167.58
  6. Step 6: Final answer
    x = 909,818.81

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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.