Home / 809,497.28-1,117,084.01-446,914.55

Finding the Fourth Proportional to 809,497.28, 1,117,084.01 and 446,914.55

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Solution

The fourth proportional to 809,497.28, 1,117,084.01 and 446,914.55 is: 616,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,497.28 : 1,117,084.01 = 446,914.55 : x
  2. Step 2: Convert to fraction form
    809,497.28/1,117,084.01 = 446,914.55/x
  3. Step 3: Cross multiply
    809,497.28x = 1,117,084.01 × 446,914.55
  4. Step 4: Simplify right side
    809,497.28x = 499,241,089,821.35
  5. Step 5: Solve for x
    x = 499,241,089,821.35/809,497.28
  6. Step 6: Final answer
    x = 616,729.80

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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.