Home / 1,067,291.40-1,601,844.30-436,657.80

Finding the Fourth Proportional to 1,067,291.40, 1,601,844.30 and 436,657.80

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Solution

The fourth proportional to 1,067,291.40, 1,601,844.30 and 436,657.80 is: 655,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,291.40 : 1,601,844.30 = 436,657.80 : x
  2. Step 2: Convert to fraction form
    1,067,291.40/1,601,844.30 = 436,657.80/x
  3. Step 3: Cross multiply
    1,067,291.40x = 1,601,844.30 × 436,657.80
  4. Step 4: Simplify right side
    1,067,291.40x = 699,457,807,980.54
  5. Step 5: Solve for x
    x = 699,457,807,980.54/1,067,291.40
  6. Step 6: Final answer
    x = 655,357.86

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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.