Home / 641,832.96-885,806.40-373,560.96

Finding the Fourth Proportional to 641,832.96, 885,806.40 and 373,560.96

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Solution

The fourth proportional to 641,832.96, 885,806.40 and 373,560.96 is: 515,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,832.96 : 885,806.40 = 373,560.96 : x
  2. Step 2: Convert to fraction form
    641,832.96/885,806.40 = 373,560.96/x
  3. Step 3: Cross multiply
    641,832.96x = 885,806.40 × 373,560.96
  4. Step 4: Simplify right side
    641,832.96x = 330,902,689,158.14
  5. Step 5: Solve for x
    x = 330,902,689,158.14/641,832.96
  6. Step 6: Final answer
    x = 515,558.89

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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.