Home / 1,078,780.44-1,618,346.16-404,914.68

Finding the Fourth Proportional to 1,078,780.44, 1,618,346.16 and 404,914.68

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Solution

The fourth proportional to 1,078,780.44, 1,618,346.16 and 404,914.68 is: 607,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,780.44 : 1,618,346.16 = 404,914.68 : x
  2. Step 2: Convert to fraction form
    1,078,780.44/1,618,346.16 = 404,914.68/x
  3. Step 3: Cross multiply
    1,078,780.44x = 1,618,346.16 × 404,914.68
  4. Step 4: Simplify right side
    1,078,780.44x = 655,292,117,505.63
  5. Step 5: Solve for x
    x = 655,292,117,505.63/1,078,780.44
  6. Step 6: Final answer
    x = 607,437.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.