Home / 893,384.30-1,340,076.45-851,912.30

Finding the Fourth Proportional to 893,384.30, 1,340,076.45 and 851,912.30

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Solution

The fourth proportional to 893,384.30, 1,340,076.45 and 851,912.30 is: 1,277,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,384.30 : 1,340,076.45 = 851,912.30 : x
  2. Step 2: Convert to fraction form
    893,384.30/1,340,076.45 = 851,912.30/x
  3. Step 3: Cross multiply
    893,384.30x = 1,340,076.45 × 851,912.30
  4. Step 4: Simplify right side
    893,384.30x = 1,141,627,610,695.34
  5. Step 5: Solve for x
    x = 1,141,627,610,695.34/893,384.30
  6. Step 6: Final answer
    x = 1,277,868.45

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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.