Home / 1,697,698.90-2,546,525.80-418,321.68

Finding the Fourth Proportional to 1,697,698.90, 2,546,525.80 and 418,321.68

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Solution

The fourth proportional to 1,697,698.90, 2,546,525.80 and 418,321.68 is: 627,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,698.90 : 2,546,525.80 = 418,321.68 : x
  2. Step 2: Convert to fraction form
    1,697,698.90/2,546,525.80 = 418,321.68/x
  3. Step 3: Cross multiply
    1,697,698.90x = 2,546,525.80 × 418,321.68
  4. Step 4: Simplify right side
    1,697,698.90x = 1,065,266,950,819.34
  5. Step 5: Solve for x
    x = 1,065,266,950,819.34/1,697,698.90
  6. Step 6: Final answer
    x = 627,476.96

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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.