Home / 669,346.04-923,064.45-439,497.88

Finding the Fourth Proportional to 669,346.04, 923,064.45 and 439,497.88

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Solution

The fourth proportional to 669,346.04, 923,064.45 and 439,497.88 is: 606,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,346.04 : 923,064.45 = 439,497.88 : x
  2. Step 2: Convert to fraction form
    669,346.04/923,064.45 = 439,497.88/x
  3. Step 3: Cross multiply
    669,346.04x = 923,064.45 × 439,497.88
  4. Step 4: Simplify right side
    669,346.04x = 405,684,868,878.37
  5. Step 5: Solve for x
    x = 405,684,868,878.37/669,346.04
  6. Step 6: Final answer
    x = 606,091.39

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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.