Home / 823,937.60-1,234,984.80-469,121.60

Finding the Fourth Proportional to 823,937.60, 1,234,984.80 and 469,121.60

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Solution

The fourth proportional to 823,937.60, 1,234,984.80 and 469,121.60 is: 703,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,937.60 : 1,234,984.80 = 469,121.60 : x
  2. Step 2: Convert to fraction form
    823,937.60/1,234,984.80 = 469,121.60/x
  3. Step 3: Cross multiply
    823,937.60x = 1,234,984.80 × 469,121.60
  4. Step 4: Simplify right side
    823,937.60x = 579,358,045,351.68
  5. Step 5: Solve for x
    x = 579,358,045,351.68/823,937.60
  6. Step 6: Final answer
    x = 703,157.67

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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.