Home / 440,168.28-610,539.89-428,501.48

Finding the Fourth Proportional to 440,168.28, 610,539.89 and 428,501.48

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Solution

The fourth proportional to 440,168.28, 610,539.89 and 428,501.48 is: 594,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,168.28 : 610,539.89 = 428,501.48 : x
  2. Step 2: Convert to fraction form
    440,168.28/610,539.89 = 428,501.48/x
  3. Step 3: Cross multiply
    440,168.28x = 610,539.89 × 428,501.48
  4. Step 4: Simplify right side
    440,168.28x = 261,617,246,857.45
  5. Step 5: Solve for x
    x = 261,617,246,857.45/440,168.28
  6. Step 6: Final answer
    x = 594,357.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.