Home / 413,645.22-620,314.74-147,335.04

Finding the Fourth Proportional to 413,645.22, 620,314.74 and 147,335.04

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Solution

The fourth proportional to 413,645.22, 620,314.74 and 147,335.04 is: 220,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,645.22 : 620,314.74 = 147,335.04 : x
  2. Step 2: Convert to fraction form
    413,645.22/620,314.74 = 147,335.04/x
  3. Step 3: Cross multiply
    413,645.22x = 620,314.74 × 147,335.04
  4. Step 4: Simplify right side
    413,645.22x = 91,394,097,030.49
  5. Step 5: Solve for x
    x = 91,394,097,030.49/413,645.22
  6. Step 6: Final answer
    x = 220,948.03

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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.