Home / 823,816.40-1,234,169.40-423,093.20

Finding the Fourth Proportional to 823,816.40, 1,234,169.40 and 423,093.20

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Solution

The fourth proportional to 823,816.40, 1,234,169.40 and 423,093.20 is: 633,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,816.40 : 1,234,169.40 = 423,093.20 : x
  2. Step 2: Convert to fraction form
    823,816.40/1,234,169.40 = 423,093.20/x
  3. Step 3: Cross multiply
    823,816.40x = 1,234,169.40 × 423,093.20
  4. Step 4: Simplify right side
    823,816.40x = 522,168,680,788.08
  5. Step 5: Solve for x
    x = 522,168,680,788.08/823,816.40
  6. Step 6: Final answer
    x = 633,841.08

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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.