Home / 854,538.70-1,281,710.85-223,516.30

Finding the Fourth Proportional to 854,538.70, 1,281,710.85 and 223,516.30

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Solution

The fourth proportional to 854,538.70, 1,281,710.85 and 223,516.30 is: 335,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,538.70 : 1,281,710.85 = 223,516.30 : x
  2. Step 2: Convert to fraction form
    854,538.70/1,281,710.85 = 223,516.30/x
  3. Step 3: Cross multiply
    854,538.70x = 1,281,710.85 × 223,516.30
  4. Step 4: Simplify right side
    854,538.70x = 286,483,266,861.86
  5. Step 5: Solve for x
    x = 286,483,266,861.86/854,538.70
  6. Step 6: Final answer
    x = 335,249.03

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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.