Home / 1,314,137.70-1,971,449.91-415,805.58

Finding the Fourth Proportional to 1,314,137.70, 1,971,449.91 and 415,805.58

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Solution

The fourth proportional to 1,314,137.70, 1,971,449.91 and 415,805.58 is: 623,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,137.70 : 1,971,449.91 = 415,805.58 : x
  2. Step 2: Convert to fraction form
    1,314,137.70/1,971,449.91 = 415,805.58/x
  3. Step 3: Cross multiply
    1,314,137.70x = 1,971,449.91 × 415,805.58
  4. Step 4: Simplify right side
    1,314,137.70x = 819,739,873,268.50
  5. Step 5: Solve for x
    x = 819,739,873,268.50/1,314,137.70
  6. Step 6: Final answer
    x = 623,785.37

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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.