Home / 534,923.08-738,269.55-331,039.66

Finding the Fourth Proportional to 534,923.08, 738,269.55 and 331,039.66

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Solution

The fourth proportional to 534,923.08, 738,269.55 and 331,039.66 is: 456,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,923.08 : 738,269.55 = 331,039.66 : x
  2. Step 2: Convert to fraction form
    534,923.08/738,269.55 = 331,039.66/x
  3. Step 3: Cross multiply
    534,923.08x = 738,269.55 × 331,039.66
  4. Step 4: Simplify right side
    534,923.08x = 244,396,500,820.35
  5. Step 5: Solve for x
    x = 244,396,500,820.35/534,923.08
  6. Step 6: Final answer
    x = 456,881.58

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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.