Home / 449,209.14-619,904.37-245,258.31

Finding the Fourth Proportional to 449,209.14, 619,904.37 and 245,258.31

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Solution

The fourth proportional to 449,209.14, 619,904.37 and 245,258.31 is: 338,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,209.14 : 619,904.37 = 245,258.31 : x
  2. Step 2: Convert to fraction form
    449,209.14/619,904.37 = 245,258.31/x
  3. Step 3: Cross multiply
    449,209.14x = 619,904.37 × 245,258.31
  4. Step 4: Simplify right side
    449,209.14x = 152,036,698,147.82
  5. Step 5: Solve for x
    x = 152,036,698,147.82/449,209.14
  6. Step 6: Final answer
    x = 338,454.15

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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.