Home / 769,445.01-1,061,889.08-425,273.54

Finding the Fourth Proportional to 769,445.01, 1,061,889.08 and 425,273.54

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Solution

The fourth proportional to 769,445.01, 1,061,889.08 and 425,273.54 is: 586,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,445.01 : 1,061,889.08 = 425,273.54 : x
  2. Step 2: Convert to fraction form
    769,445.01/1,061,889.08 = 425,273.54/x
  3. Step 3: Cross multiply
    769,445.01x = 1,061,889.08 × 425,273.54
  4. Step 4: Simplify right side
    769,445.01x = 451,593,320,703.13
  5. Step 5: Solve for x
    x = 451,593,320,703.13/769,445.01
  6. Step 6: Final answer
    x = 586,907.86

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1.5x scale

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.