Home / 669,600.18-923,513.82-440,392.86

Finding the Fourth Proportional to 669,600.18, 923,513.82 and 440,392.86

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Solution

The fourth proportional to 669,600.18, 923,513.82 and 440,392.86 is: 607,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,600.18 : 923,513.82 = 440,392.86 : x
  2. Step 2: Convert to fraction form
    669,600.18/923,513.82 = 440,392.86/x
  3. Step 3: Cross multiply
    669,600.18x = 923,513.82 × 440,392.86
  4. Step 4: Simplify right side
    669,600.18x = 406,708,892,439.33
  5. Step 5: Solve for x
    x = 406,708,892,439.33/669,600.18
  6. Step 6: Final answer
    x = 607,390.66

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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.