Home / 862,140.45-1,293,210.69-263,104.68

Finding the Fourth Proportional to 862,140.45, 1,293,210.69 and 263,104.68

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Solution

The fourth proportional to 862,140.45, 1,293,210.69 and 263,104.68 is: 394,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,140.45 : 1,293,210.69 = 263,104.68 : x
  2. Step 2: Convert to fraction form
    862,140.45/1,293,210.69 = 263,104.68/x
  3. Step 3: Cross multiply
    862,140.45x = 1,293,210.69 × 263,104.68
  4. Step 4: Simplify right side
    862,140.45x = 340,249,784,765.03
  5. Step 5: Solve for x
    x = 340,249,784,765.03/862,140.45
  6. Step 6: Final answer
    x = 394,657.02

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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.