Home / 683,925.63-943,788.00-377,986.20

Finding the Fourth Proportional to 683,925.63, 943,788.00 and 377,986.20

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Solution

The fourth proportional to 683,925.63, 943,788.00 and 377,986.20 is: 521,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,925.63 : 943,788.00 = 377,986.20 : x
  2. Step 2: Convert to fraction form
    683,925.63/943,788.00 = 377,986.20/x
  3. Step 3: Cross multiply
    683,925.63x = 943,788.00 × 377,986.20
  4. Step 4: Simplify right side
    683,925.63x = 356,738,837,603.84
  5. Step 5: Solve for x
    x = 356,738,837,603.84/683,925.63
  6. Step 6: Final answer
    x = 521,604.72

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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.