Home / 854,336.20-1,281,407.10-223,313.80

Finding the Fourth Proportional to 854,336.20, 1,281,407.10 and 223,313.80

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Solution

The fourth proportional to 854,336.20, 1,281,407.10 and 223,313.80 is: 334,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,336.20 : 1,281,407.10 = 223,313.80 : x
  2. Step 2: Convert to fraction form
    854,336.20/1,281,407.10 = 223,313.80/x
  3. Step 3: Cross multiply
    854,336.20x = 1,281,407.10 × 223,313.80
  4. Step 4: Simplify right side
    854,336.20x = 286,155,888,847.98
  5. Step 5: Solve for x
    x = 286,155,888,847.98/854,336.20
  6. Step 6: Final answer
    x = 334,945.29

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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.