Home / 762,245.46-1,051,891.54-418,074.37

Finding the Fourth Proportional to 762,245.46, 1,051,891.54 and 418,074.37

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Solution

The fourth proportional to 762,245.46, 1,051,891.54 and 418,074.37 is: 576,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,245.46 : 1,051,891.54 = 418,074.37 : x
  2. Step 2: Convert to fraction form
    762,245.46/1,051,891.54 = 418,074.37/x
  3. Step 3: Cross multiply
    762,245.46x = 1,051,891.54 × 418,074.37
  4. Step 4: Simplify right side
    762,245.46x = 439,768,892,893.83
  5. Step 5: Solve for x
    x = 439,768,892,893.83/762,245.46
  6. Step 6: Final answer
    x = 576,938.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.