Home / 856,793.60-1,284,826.08-351,005.12

Finding the Fourth Proportional to 856,793.60, 1,284,826.08 and 351,005.12

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Solution

The fourth proportional to 856,793.60, 1,284,826.08 and 351,005.12 is: 526,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,793.60 : 1,284,826.08 = 351,005.12 : x
  2. Step 2: Convert to fraction form
    856,793.60/1,284,826.08 = 351,005.12/x
  3. Step 3: Cross multiply
    856,793.60x = 1,284,826.08 × 351,005.12
  4. Step 4: Simplify right side
    856,793.60x = 450,980,532,389.53
  5. Step 5: Solve for x
    x = 450,980,532,389.53/856,793.60
  6. Step 6: Final answer
    x = 526,358.43

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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.