Home / 413,317.54-619,999.41-129,047.35

Finding the Fourth Proportional to 413,317.54, 619,999.41 and 129,047.35

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Solution

The fourth proportional to 413,317.54, 619,999.41 and 129,047.35 is: 193,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,317.54 : 619,999.41 = 129,047.35 : x
  2. Step 2: Convert to fraction form
    413,317.54/619,999.41 = 129,047.35/x
  3. Step 3: Cross multiply
    413,317.54x = 619,999.41 × 129,047.35
  4. Step 4: Simplify right side
    413,317.54x = 80,009,281,885.62
  5. Step 5: Solve for x
    x = 80,009,281,885.62/413,317.54
  6. Step 6: Final answer
    x = 193,578.24

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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.