Home / 934,945.20-1,289,773.20-612,513.36

Finding the Fourth Proportional to 934,945.20, 1,289,773.20 and 612,513.36

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Solution

The fourth proportional to 934,945.20, 1,289,773.20 and 612,513.36 is: 844,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,945.20 : 1,289,773.20 = 612,513.36 : x
  2. Step 2: Convert to fraction form
    934,945.20/1,289,773.20 = 612,513.36/x
  3. Step 3: Cross multiply
    934,945.20x = 1,289,773.20 × 612,513.36
  4. Step 4: Simplify right side
    934,945.20x = 790,003,316,369.95
  5. Step 5: Solve for x
    x = 790,003,316,369.95/934,945.20
  6. Step 6: Final answer
    x = 844,972.86

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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.