Home / 919,478.72-1,268,860.85-532,310.54

Finding the Fourth Proportional to 919,478.72, 1,268,860.85 and 532,310.54

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Solution

The fourth proportional to 919,478.72, 1,268,860.85 and 532,310.54 is: 734,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,478.72 : 1,268,860.85 = 532,310.54 : x
  2. Step 2: Convert to fraction form
    919,478.72/1,268,860.85 = 532,310.54/x
  3. Step 3: Cross multiply
    919,478.72x = 1,268,860.85 × 532,310.54
  4. Step 4: Simplify right side
    919,478.72x = 675,427,997,238.67
  5. Step 5: Solve for x
    x = 675,427,997,238.67/919,478.72
  6. Step 6: Final answer
    x = 734,577.08

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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.