Home / 1,180,586.25-1,771,178.27-339,138

Finding the Fourth Proportional to 1,180,586.25, 1,771,178.27 and 339,138

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Solution

The fourth proportional to 1,180,586.25, 1,771,178.27 and 339,138 is: 508,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,586.25 : 1,771,178.27 = 339,138 : x
  2. Step 2: Convert to fraction form
    1,180,586.25/1,771,178.27 = 339,138/x
  3. Step 3: Cross multiply
    1,180,586.25x = 1,771,178.27 × 339,138
  4. Step 4: Simplify right side
    1,180,586.25x = 600,673,854,435.57
  5. Step 5: Solve for x
    x = 600,673,854,435.57/1,180,586.25
  6. Step 6: Final answer
    x = 508,792.86

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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.