Home / 534,918.71-738,263.43-331,035.30

Finding the Fourth Proportional to 534,918.71, 738,263.43 and 331,035.30

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Solution

The fourth proportional to 534,918.71, 738,263.43 and 331,035.30 is: 456,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,918.71 : 738,263.43 = 331,035.30 : x
  2. Step 2: Convert to fraction form
    534,918.71/738,263.43 = 331,035.30/x
  3. Step 3: Cross multiply
    534,918.71x = 738,263.43 × 331,035.30
  4. Step 4: Simplify right side
    534,918.71x = 244,391,256,029.08
  5. Step 5: Solve for x
    x = 244,391,256,029.08/534,918.71
  6. Step 6: Final answer
    x = 456,875.50

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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.