Home / 823,863.80-1,235,795.70-469,969.40

Finding the Fourth Proportional to 823,863.80, 1,235,795.70 and 469,969.40

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Solution

The fourth proportional to 823,863.80, 1,235,795.70 and 469,969.40 is: 704,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,863.80 : 1,235,795.70 = 469,969.40 : x
  2. Step 2: Convert to fraction form
    823,863.80/1,235,795.70 = 469,969.40/x
  3. Step 3: Cross multiply
    823,863.80x = 1,235,795.70 × 469,969.40
  4. Step 4: Simplify right side
    823,863.80x = 580,786,163,651.58
  5. Step 5: Solve for x
    x = 580,786,163,651.58/823,863.80
  6. Step 6: Final answer
    x = 704,954.10

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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.