Home / 475,028.95-712,835.88-186,789.86

Finding the Fourth Proportional to 475,028.95, 712,835.88 and 186,789.86

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Solution

The fourth proportional to 475,028.95, 712,835.88 and 186,789.86 is: 280,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,028.95 : 712,835.88 = 186,789.86 : x
  2. Step 2: Convert to fraction form
    475,028.95/712,835.88 = 186,789.86/x
  3. Step 3: Cross multiply
    475,028.95x = 712,835.88 × 186,789.86
  4. Step 4: Simplify right side
    475,028.95x = 133,150,516,646.37
  5. Step 5: Solve for x
    x = 133,150,516,646.37/475,028.95
  6. Step 6: Final answer
    x = 280,299.80

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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.