Home / 934,285.72-1,280,905.40-917,260.26

Finding the Fourth Proportional to 934,285.72, 1,280,905.40 and 917,260.26

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Solution

The fourth proportional to 934,285.72, 1,280,905.40 and 917,260.26 is: 1,257,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,285.72 : 1,280,905.40 = 917,260.26 : x
  2. Step 2: Convert to fraction form
    934,285.72/1,280,905.40 = 917,260.26/x
  3. Step 3: Cross multiply
    934,285.72x = 1,280,905.40 × 917,260.26
  4. Step 4: Simplify right side
    934,285.72x = 1,174,923,621,575.97
  5. Step 5: Solve for x
    x = 1,174,923,621,575.97/934,285.72
  6. Step 6: Final answer
    x = 1,257,563.51

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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.