Home / 669,124.89-923,408.75-363,200.50

Finding the Fourth Proportional to 669,124.89, 923,408.75 and 363,200.50

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Solution

The fourth proportional to 669,124.89, 923,408.75 and 363,200.50 is: 501,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,124.89 : 923,408.75 = 363,200.50 : x
  2. Step 2: Convert to fraction form
    669,124.89/923,408.75 = 363,200.50/x
  3. Step 3: Cross multiply
    669,124.89x = 923,408.75 × 363,200.50
  4. Step 4: Simplify right side
    669,124.89x = 335,382,520,862.02
  5. Step 5: Solve for x
    x = 335,382,520,862.02/669,124.89
  6. Step 6: Final answer
    x = 501,225.59

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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.