Home / 669,849.84-923,759.37-440,001.54

Finding the Fourth Proportional to 669,849.84, 923,759.37 and 440,001.54

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Solution

The fourth proportional to 669,849.84, 923,759.37 and 440,001.54 is: 606,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,849.84 : 923,759.37 = 440,001.54 : x
  2. Step 2: Convert to fraction form
    669,849.84/923,759.37 = 440,001.54/x
  3. Step 3: Cross multiply
    669,849.84x = 923,759.37 × 440,001.54
  4. Step 4: Simplify right side
    669,849.84x = 406,455,545,389.43
  5. Step 5: Solve for x
    x = 406,455,545,389.43/669,849.84
  6. Step 6: Final answer
    x = 606,786.06

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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.