Home / 1,338,363.48-1,836,696.75-1,328,915.64

Finding the Fourth Proportional to 1,338,363.48, 1,836,696.75 and 1,328,915.64

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Solution

The fourth proportional to 1,338,363.48, 1,836,696.75 and 1,328,915.64 is: 1,823,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,363.48 : 1,836,696.75 = 1,328,915.64 : x
  2. Step 2: Convert to fraction form
    1,338,363.48/1,836,696.75 = 1,328,915.64/x
  3. Step 3: Cross multiply
    1,338,363.48x = 1,836,696.75 × 1,328,915.64
  4. Step 4: Simplify right side
    1,338,363.48x = 2,440,815,037,012.17
  5. Step 5: Solve for x
    x = 2,440,815,037,012.17/1,338,363.48
  6. Step 6: Final answer
    x = 1,823,731.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.