Home / 683,939.46-943,346.94-480,035.88

Finding the Fourth Proportional to 683,939.46, 943,346.94 and 480,035.88

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Solution

The fourth proportional to 683,939.46, 943,346.94 and 480,035.88 is: 662,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,939.46 : 943,346.94 = 480,035.88 : x
  2. Step 2: Convert to fraction form
    683,939.46/943,346.94 = 480,035.88/x
  3. Step 3: Cross multiply
    683,939.46x = 943,346.94 × 480,035.88
  4. Step 4: Simplify right side
    683,939.46x = 452,840,378,488.21
  5. Step 5: Solve for x
    x = 452,840,378,488.21/683,939.46
  6. Step 6: Final answer
    x = 662,105.94

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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.