Home / 948,846.24-1,309,396.32-519,120.72

Finding the Fourth Proportional to 948,846.24, 1,309,396.32 and 519,120.72

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Solution

The fourth proportional to 948,846.24, 1,309,396.32 and 519,120.72 is: 716,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,846.24 : 1,309,396.32 = 519,120.72 : x
  2. Step 2: Convert to fraction form
    948,846.24/1,309,396.32 = 519,120.72/x
  3. Step 3: Cross multiply
    948,846.24x = 1,309,396.32 × 519,120.72
  4. Step 4: Simplify right side
    948,846.24x = 679,734,760,403.75
  5. Step 5: Solve for x
    x = 679,734,760,403.75/948,846.24
  6. Step 6: Final answer
    x = 716,380.31

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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.