Home / 1,122,933.60-1,684,400.40-412,814.70

Finding the Fourth Proportional to 1,122,933.60, 1,684,400.40 and 412,814.70

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Solution

The fourth proportional to 1,122,933.60, 1,684,400.40 and 412,814.70 is: 619,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,933.60 : 1,684,400.40 = 412,814.70 : x
  2. Step 2: Convert to fraction form
    1,122,933.60/1,684,400.40 = 412,814.70/x
  3. Step 3: Cross multiply
    1,122,933.60x = 1,684,400.40 × 412,814.70
  4. Step 4: Simplify right side
    1,122,933.60x = 695,345,245,805.88
  5. Step 5: Solve for x
    x = 695,345,245,805.88/1,122,933.60
  6. Step 6: Final answer
    x = 619,222.05

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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.