Home / 1,617,057-2,425,575.78-418,976.28

Finding the Fourth Proportional to 1,617,057, 2,425,575.78 and 418,976.28

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Solution

The fourth proportional to 1,617,057, 2,425,575.78 and 418,976.28 is: 628,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,057 : 2,425,575.78 = 418,976.28 : x
  2. Step 2: Convert to fraction form
    1,617,057/2,425,575.78 = 418,976.28/x
  3. Step 3: Cross multiply
    1,617,057x = 2,425,575.78 × 418,976.28
  4. Step 4: Simplify right side
    1,617,057x = 1,016,258,717,162.50
  5. Step 5: Solve for x
    x = 1,016,258,717,162.50/1,617,057
  6. Step 6: Final answer
    x = 628,461.90

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1.5x scale

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.