Home / 741,025.74-1,022,602.16-418,728.90

Finding the Fourth Proportional to 741,025.74, 1,022,602.16 and 418,728.90

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Solution

The fourth proportional to 741,025.74, 1,022,602.16 and 418,728.90 is: 577,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,025.74 : 1,022,602.16 = 418,728.90 : x
  2. Step 2: Convert to fraction form
    741,025.74/1,022,602.16 = 418,728.90/x
  3. Step 3: Cross multiply
    741,025.74x = 1,022,602.16 × 418,728.90
  4. Step 4: Simplify right side
    741,025.74x = 428,193,077,594.42
  5. Step 5: Solve for x
    x = 428,193,077,594.42/741,025.74
  6. Step 6: Final answer
    x = 577,838.33

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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.