Home / 919,510.72-1,268,204.76-629,294.32

Finding the Fourth Proportional to 919,510.72, 1,268,204.76 and 629,294.32

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Solution

The fourth proportional to 919,510.72, 1,268,204.76 and 629,294.32 is: 867,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,510.72 : 1,268,204.76 = 629,294.32 : x
  2. Step 2: Convert to fraction form
    919,510.72/1,268,204.76 = 629,294.32/x
  3. Step 3: Cross multiply
    919,510.72x = 1,268,204.76 × 629,294.32
  4. Step 4: Simplify right side
    919,510.72x = 798,074,052,064.96
  5. Step 5: Solve for x
    x = 798,074,052,064.96/919,510.72
  6. Step 6: Final answer
    x = 867,933.39

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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.