Home / 1,086,816-1,629,699.65-455,560.32

Finding the Fourth Proportional to 1,086,816, 1,629,699.65 and 455,560.32

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Solution

The fourth proportional to 1,086,816, 1,629,699.65 and 455,560.32 is: 683,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,816 : 1,629,699.65 = 455,560.32 : x
  2. Step 2: Convert to fraction form
    1,086,816/1,629,699.65 = 455,560.32/x
  3. Step 3: Cross multiply
    1,086,816x = 1,629,699.65 × 455,560.32
  4. Step 4: Simplify right side
    1,086,816x = 742,426,494,057.89
  5. Step 5: Solve for x
    x = 742,426,494,057.89/1,086,816
  6. Step 6: Final answer
    x = 683,120.69

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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.