Home / 669,348.04-923,067.21-439,499.89

Finding the Fourth Proportional to 669,348.04, 923,067.21 and 439,499.89

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Solution

The fourth proportional to 669,348.04, 923,067.21 and 439,499.89 is: 606,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,348.04 : 923,067.21 = 439,499.89 : x
  2. Step 2: Convert to fraction form
    669,348.04/923,067.21 = 439,499.89/x
  3. Step 3: Cross multiply
    669,348.04x = 923,067.21 × 439,499.89
  4. Step 4: Simplify right side
    669,348.04x = 405,687,937,257.61
  5. Step 5: Solve for x
    x = 405,687,937,257.61/669,348.04
  6. Step 6: Final answer
    x = 606,094.16

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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.