Home / 1,617,258.60-2,425,887.90-419,171.40

Finding the Fourth Proportional to 1,617,258.60, 2,425,887.90 and 419,171.40

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Solution

The fourth proportional to 1,617,258.60, 2,425,887.90 and 419,171.40 is: 628,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,258.60 : 2,425,887.90 = 419,171.40 : x
  2. Step 2: Convert to fraction form
    1,617,258.60/2,425,887.90 = 419,171.40/x
  3. Step 3: Cross multiply
    1,617,258.60x = 2,425,887.90 × 419,171.40
  4. Step 4: Simplify right side
    1,617,258.60x = 1,016,862,827,286.06
  5. Step 5: Solve for x
    x = 1,016,862,827,286.06/1,617,258.60
  6. Step 6: Final answer
    x = 628,757.10

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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.