Home / 889,566.57-1,334,149.74-409,333.64

Finding the Fourth Proportional to 889,566.57, 1,334,149.74 and 409,333.64

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Solution

The fourth proportional to 889,566.57, 1,334,149.74 and 409,333.64 is: 613,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,566.57 : 1,334,149.74 = 409,333.64 : x
  2. Step 2: Convert to fraction form
    889,566.57/1,334,149.74 = 409,333.64/x
  3. Step 3: Cross multiply
    889,566.57x = 1,334,149.74 × 409,333.64
  4. Step 4: Simplify right side
    889,566.57x = 546,112,362,708.51
  5. Step 5: Solve for x
    x = 546,112,362,708.51/889,566.57
  6. Step 6: Final answer
    x = 613,908.37

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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.