Home / 934,893.70-1,289,843.49-526,945.30

Finding the Fourth Proportional to 934,893.70, 1,289,843.49 and 526,945.30

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Solution

The fourth proportional to 934,893.70, 1,289,843.49 and 526,945.30 is: 727,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,893.70 : 1,289,843.49 = 526,945.30 : x
  2. Step 2: Convert to fraction form
    934,893.70/1,289,843.49 = 526,945.30/x
  3. Step 3: Cross multiply
    934,893.70x = 1,289,843.49 × 526,945.30
  4. Step 4: Simplify right side
    934,893.70x = 679,676,964,791.10
  5. Step 5: Solve for x
    x = 679,676,964,791.10/934,893.70
  6. Step 6: Final answer
    x = 727,009.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.