Home / 683,926.63-943,789.38-377,987.20

Finding the Fourth Proportional to 683,926.63, 943,789.38 and 377,987.20

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Solution

The fourth proportional to 683,926.63, 943,789.38 and 377,987.20 is: 521,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,926.63 : 943,789.38 = 377,987.20 : x
  2. Step 2: Convert to fraction form
    683,926.63/943,789.38 = 377,987.20/x
  3. Step 3: Cross multiply
    683,926.63x = 943,789.38 × 377,987.20
  4. Step 4: Simplify right side
    683,926.63x = 356,740,305,135.94
  5. Step 5: Solve for x
    x = 356,740,305,135.94/683,926.63
  6. Step 6: Final answer
    x = 521,606.10

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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.