Home / 440,493-607,828.77-259,165.05

Finding the Fourth Proportional to 440,493, 607,828.77 and 259,165.05

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Solution

The fourth proportional to 440,493, 607,828.77 and 259,165.05 is: 357,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,493 : 607,828.77 = 259,165.05 : x
  2. Step 2: Convert to fraction form
    440,493/607,828.77 = 259,165.05/x
  3. Step 3: Cross multiply
    440,493x = 607,828.77 × 259,165.05
  4. Step 4: Simplify right side
    440,493x = 157,527,973,568.49
  5. Step 5: Solve for x
    x = 157,527,973,568.49/440,493
  6. Step 6: Final answer
    x = 357,617.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.