Home / 694,558.56-1,047,043.80-648,265.20

Finding the Fourth Proportional to 694,558.56, 1,047,043.80 and 648,265.20

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Solution

The fourth proportional to 694,558.56, 1,047,043.80 and 648,265.20 is: 977,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,558.56 : 1,047,043.80 = 648,265.20 : x
  2. Step 2: Convert to fraction form
    694,558.56/1,047,043.80 = 648,265.20/x
  3. Step 3: Cross multiply
    694,558.56x = 1,047,043.80 × 648,265.20
  4. Step 4: Simplify right side
    694,558.56x = 678,762,058,415.76
  5. Step 5: Solve for x
    x = 678,762,058,415.76/694,558.56
  6. Step 6: Final answer
    x = 977,256.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.