Home / 899,538.61-1,348,813.72-443,125.56

Finding the Fourth Proportional to 899,538.61, 1,348,813.72 and 443,125.56

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Solution

The fourth proportional to 899,538.61, 1,348,813.72 and 443,125.56 is: 664,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,538.61 : 1,348,813.72 = 443,125.56 : x
  2. Step 2: Convert to fraction form
    899,538.61/1,348,813.72 = 443,125.56/x
  3. Step 3: Cross multiply
    899,538.61x = 1,348,813.72 × 443,125.56
  4. Step 4: Simplify right side
    899,538.61x = 597,693,835,010.68
  5. Step 5: Solve for x
    x = 597,693,835,010.68/899,538.61
  6. Step 6: Final answer
    x = 664,444.89

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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.