Home / 668,845.35-923,773.23-440,423.73

Finding the Fourth Proportional to 668,845.35, 923,773.23 and 440,423.73

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Solution

The fourth proportional to 668,845.35, 923,773.23 and 440,423.73 is: 608,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,845.35 : 923,773.23 = 440,423.73 : x
  2. Step 2: Convert to fraction form
    668,845.35/923,773.23 = 440,423.73/x
  3. Step 3: Cross multiply
    668,845.35x = 923,773.23 × 440,423.73
  4. Step 4: Simplify right side
    668,845.35x = 406,851,651,630.75
  5. Step 5: Solve for x
    x = 406,851,651,630.75/668,845.35
  6. Step 6: Final answer
    x = 608,289.57

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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.