Home / 683,436.25-943,138.26-377,533.67

Finding the Fourth Proportional to 683,436.25, 943,138.26 and 377,533.67

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Solution

The fourth proportional to 683,436.25, 943,138.26 and 377,533.67 is: 520,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,436.25 : 943,138.26 = 377,533.67 : x
  2. Step 2: Convert to fraction form
    683,436.25/943,138.26 = 377,533.67/x
  3. Step 3: Cross multiply
    683,436.25x = 943,138.26 × 377,533.67
  4. Step 4: Simplify right side
    683,436.25x = 356,066,449,559.05
  5. Step 5: Solve for x
    x = 356,066,449,559.05/683,436.25
  6. Step 6: Final answer
    x = 520,994.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.