Home / 504,844.52-696,561.12-308,561.27

Finding the Fourth Proportional to 504,844.52, 696,561.12 and 308,561.27

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Solution

The fourth proportional to 504,844.52, 696,561.12 and 308,561.27 is: 425,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,844.52 : 696,561.12 = 308,561.27 : x
  2. Step 2: Convert to fraction form
    504,844.52/696,561.12 = 308,561.27/x
  3. Step 3: Cross multiply
    504,844.52x = 696,561.12 × 308,561.27
  4. Step 4: Simplify right side
    504,844.52x = 214,931,780,337.02
  5. Step 5: Solve for x
    x = 214,931,780,337.02/504,844.52
  6. Step 6: Final answer
    x = 425,738.57

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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.