Home / 856,909.08-1,284,914.34-295,810.20

Finding the Fourth Proportional to 856,909.08, 1,284,914.34 and 295,810.20

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Solution

The fourth proportional to 856,909.08, 1,284,914.34 and 295,810.20 is: 443,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,909.08 : 1,284,914.34 = 295,810.20 : x
  2. Step 2: Convert to fraction form
    856,909.08/1,284,914.34 = 295,810.20/x
  3. Step 3: Cross multiply
    856,909.08x = 1,284,914.34 × 295,810.20
  4. Step 4: Simplify right side
    856,909.08x = 380,090,767,898.27
  5. Step 5: Solve for x
    x = 380,090,767,898.27/856,909.08
  6. Step 6: Final answer
    x = 443,560.21

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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.