Home / 455,427.28-683,063.48-122,925.52

Finding the Fourth Proportional to 455,427.28, 683,063.48 and 122,925.52

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Solution

The fourth proportional to 455,427.28, 683,063.48 and 122,925.52 is: 184,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,427.28 : 683,063.48 = 122,925.52 : x
  2. Step 2: Convert to fraction form
    455,427.28/683,063.48 = 122,925.52/x
  3. Step 3: Cross multiply
    455,427.28x = 683,063.48 × 122,925.52
  4. Step 4: Simplify right side
    455,427.28x = 83,965,933,472.01
  5. Step 5: Solve for x
    x = 83,965,933,472.01/455,427.28
  6. Step 6: Final answer
    x = 184,367.38

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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.