Home / 823,783.30-1,235,924.43-344,243.86

Finding the Fourth Proportional to 823,783.30, 1,235,924.43 and 344,243.86

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Solution

The fourth proportional to 823,783.30, 1,235,924.43 and 344,243.86 is: 516,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,783.30 : 1,235,924.43 = 344,243.86 : x
  2. Step 2: Convert to fraction form
    823,783.30/1,235,924.43 = 344,243.86/x
  3. Step 3: Cross multiply
    823,783.30x = 1,235,924.43 × 344,243.86
  4. Step 4: Simplify right side
    823,783.30x = 425,459,396,451.50
  5. Step 5: Solve for x
    x = 425,459,396,451.50/823,783.30
  6. Step 6: Final answer
    x = 516,470.04

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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.