Home / 939,940.35-1,410,503.45-400,196.31

Finding the Fourth Proportional to 939,940.35, 1,410,503.45 and 400,196.31

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Solution

The fourth proportional to 939,940.35, 1,410,503.45 and 400,196.31 is: 600,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,940.35 : 1,410,503.45 = 400,196.31 : x
  2. Step 2: Convert to fraction form
    939,940.35/1,410,503.45 = 400,196.31/x
  3. Step 3: Cross multiply
    939,940.35x = 1,410,503.45 × 400,196.31
  4. Step 4: Simplify right side
    939,940.35x = 564,478,273,931.29
  5. Step 5: Solve for x
    x = 564,478,273,931.29/939,940.35
  6. Step 6: Final answer
    x = 600,546.91

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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.