Home / 756,038-1,134,078.87-195,072.50

Finding the Fourth Proportional to 756,038, 1,134,078.87 and 195,072.50

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Solution

The fourth proportional to 756,038, 1,134,078.87 and 195,072.50 is: 292,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,038 : 1,134,078.87 = 195,072.50 : x
  2. Step 2: Convert to fraction form
    756,038/1,134,078.87 = 195,072.50/x
  3. Step 3: Cross multiply
    756,038x = 1,134,078.87 × 195,072.50
  4. Step 4: Simplify right side
    756,038x = 221,227,600,368.08
  5. Step 5: Solve for x
    x = 221,227,600,368.08/756,038
  6. Step 6: Final answer
    x = 292,614.39

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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.