Home / 683,940.96-943,349.01-480,037.38

Finding the Fourth Proportional to 683,940.96, 943,349.01 and 480,037.38

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Solution

The fourth proportional to 683,940.96, 943,349.01 and 480,037.38 is: 662,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,940.96 : 943,349.01 = 480,037.38 : x
  2. Step 2: Convert to fraction form
    683,940.96/943,349.01 = 480,037.38/x
  3. Step 3: Cross multiply
    683,940.96x = 943,349.01 × 480,037.38
  4. Step 4: Simplify right side
    683,940.96x = 452,842,787,185.99
  5. Step 5: Solve for x
    x = 452,842,787,185.99/683,940.96
  6. Step 6: Final answer
    x = 662,108.01

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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.