Home / 289,557.37-433,855.68-204,897.79

Finding the Fourth Proportional to 289,557.37, 433,855.68 and 204,897.79

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Solution

The fourth proportional to 289,557.37, 433,855.68 and 204,897.79 is: 307,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,557.37 : 433,855.68 = 204,897.79 : x
  2. Step 2: Convert to fraction form
    289,557.37/433,855.68 = 204,897.79/x
  3. Step 3: Cross multiply
    289,557.37x = 433,855.68 × 204,897.79
  4. Step 4: Simplify right side
    289,557.37x = 88,896,070,010.95
  5. Step 5: Solve for x
    x = 88,896,070,010.95/289,557.37
  6. Step 6: Final answer
    x = 307,006.76

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1.5x scale

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.