Home / 826,698.43-1,140,909.78-464,146.12

Finding the Fourth Proportional to 826,698.43, 1,140,909.78 and 464,146.12

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Solution

The fourth proportional to 826,698.43, 1,140,909.78 and 464,146.12 is: 640,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,698.43 : 1,140,909.78 = 464,146.12 : x
  2. Step 2: Convert to fraction form
    826,698.43/1,140,909.78 = 464,146.12/x
  3. Step 3: Cross multiply
    826,698.43x = 1,140,909.78 × 464,146.12
  4. Step 4: Simplify right side
    826,698.43x = 529,548,847,657.05
  5. Step 5: Solve for x
    x = 529,548,847,657.05/826,698.43
  6. Step 6: Final answer
    x = 640,558.67

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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.