Home / 663,835.50-996,747.12-379,846.26

Finding the Fourth Proportional to 663,835.50, 996,747.12 and 379,846.26

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Solution

The fourth proportional to 663,835.50, 996,747.12 and 379,846.26 is: 570,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,835.50 : 996,747.12 = 379,846.26 : x
  2. Step 2: Convert to fraction form
    663,835.50/996,747.12 = 379,846.26/x
  3. Step 3: Cross multiply
    663,835.50x = 996,747.12 × 379,846.26
  4. Step 4: Simplify right side
    663,835.50x = 378,610,665,697.77
  5. Step 5: Solve for x
    x = 378,610,665,697.77/663,835.50
  6. Step 6: Final answer
    x = 570,338.08

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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.