Home / 856,004.40-1,286,771.40-608,401.20

Finding the Fourth Proportional to 856,004.40, 1,286,771.40 and 608,401.20

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Solution

The fourth proportional to 856,004.40, 1,286,771.40 and 608,401.20 is: 914,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,004.40 : 1,286,771.40 = 608,401.20 : x
  2. Step 2: Convert to fraction form
    856,004.40/1,286,771.40 = 608,401.20/x
  3. Step 3: Cross multiply
    856,004.40x = 1,286,771.40 × 608,401.20
  4. Step 4: Simplify right side
    856,004.40x = 782,873,263,885.68
  5. Step 5: Solve for x
    x = 782,873,263,885.68/856,004.40
  6. Step 6: Final answer
    x = 914,566.87

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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.