Home / 538,130.15-807,196.23-505,247.23

Finding the Fourth Proportional to 538,130.15, 807,196.23 and 505,247.23

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Solution

The fourth proportional to 538,130.15, 807,196.23 and 505,247.23 is: 757,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,130.15 : 807,196.23 = 505,247.23 : x
  2. Step 2: Convert to fraction form
    538,130.15/807,196.23 = 505,247.23/x
  3. Step 3: Cross multiply
    538,130.15x = 807,196.23 × 505,247.23
  4. Step 4: Simplify right side
    538,130.15x = 407,833,655,237.96
  5. Step 5: Solve for x
    x = 407,833,655,237.96/538,130.15
  6. Step 6: Final answer
    x = 757,871.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.