Home / 535,349.00-738,526.97-320,447.54

Finding the Fourth Proportional to 535,349.00, 738,526.97 and 320,447.54

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Solution

The fourth proportional to 535,349.00, 738,526.97 and 320,447.54 is: 442,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,349.00 : 738,526.97 = 320,447.54 : x
  2. Step 2: Convert to fraction form
    535,349.00/738,526.97 = 320,447.54/x
  3. Step 3: Cross multiply
    535,349.00x = 738,526.97 × 320,447.54
  4. Step 4: Simplify right side
    535,349.00x = 236,659,151,605.07
  5. Step 5: Solve for x
    x = 236,659,151,605.07/535,349.00
  6. Step 6: Final answer
    x = 442,065.18

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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.