Home / 683,546.47-943,289.64-377,642.58

Finding the Fourth Proportional to 683,546.47, 943,289.64 and 377,642.58

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Solution

The fourth proportional to 683,546.47, 943,289.64 and 377,642.58 is: 521,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,546.47 : 943,289.64 = 377,642.58 : x
  2. Step 2: Convert to fraction form
    683,546.47/943,289.64 = 377,642.58/x
  3. Step 3: Cross multiply
    683,546.47x = 943,289.64 × 377,642.58
  4. Step 4: Simplify right side
    683,546.47x = 356,226,333,336.87
  5. Step 5: Solve for x
    x = 356,226,333,336.87/683,546.47
  6. Step 6: Final answer
    x = 521,144.28

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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.