Home / 746,771.64-1,030,517.40-407,232.60

Finding the Fourth Proportional to 746,771.64, 1,030,517.40 and 407,232.60

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Solution

The fourth proportional to 746,771.64, 1,030,517.40 and 407,232.60 is: 561,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,771.64 : 1,030,517.40 = 407,232.60 : x
  2. Step 2: Convert to fraction form
    746,771.64/1,030,517.40 = 407,232.60/x
  3. Step 3: Cross multiply
    746,771.64x = 1,030,517.40 × 407,232.60
  4. Step 4: Simplify right side
    746,771.64x = 419,660,280,147.24
  5. Step 5: Solve for x
    x = 419,660,280,147.24/746,771.64
  6. Step 6: Final answer
    x = 561,966.01

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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.