Home / 889,313.91-1,333,771.21-409,080.49

Finding the Fourth Proportional to 889,313.91, 1,333,771.21 and 409,080.49

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Solution

The fourth proportional to 889,313.91, 1,333,771.21 and 409,080.49 is: 613,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,313.91 : 1,333,771.21 = 409,080.49 : x
  2. Step 2: Convert to fraction form
    889,313.91/1,333,771.21 = 409,080.49/x
  3. Step 3: Cross multiply
    889,313.91x = 1,333,771.21 × 409,080.49
  4. Step 4: Simplify right side
    889,313.91x = 545,619,780,134.69
  5. Step 5: Solve for x
    x = 545,619,780,134.69/889,313.91
  6. Step 6: Final answer
    x = 613,528.89

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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.