Home / 589,152.80-883,729.20-339,629.60

Finding the Fourth Proportional to 589,152.80, 883,729.20 and 339,629.60

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Solution

The fourth proportional to 589,152.80, 883,729.20 and 339,629.60 is: 509,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,152.80 : 883,729.20 = 339,629.60 : x
  2. Step 2: Convert to fraction form
    589,152.80/883,729.20 = 339,629.60/x
  3. Step 3: Cross multiply
    589,152.80x = 883,729.20 × 339,629.60
  4. Step 4: Simplify right side
    589,152.80x = 300,140,594,704.32
  5. Step 5: Solve for x
    x = 300,140,594,704.32/589,152.80
  6. Step 6: Final answer
    x = 509,444.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.