Home / 694,920.18-959,588.37-437,226.78

Finding the Fourth Proportional to 694,920.18, 959,588.37 and 437,226.78

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Solution

The fourth proportional to 694,920.18, 959,588.37 and 437,226.78 is: 603,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,920.18 : 959,588.37 = 437,226.78 : x
  2. Step 2: Convert to fraction form
    694,920.18/959,588.37 = 437,226.78/x
  3. Step 3: Cross multiply
    694,920.18x = 959,588.37 × 437,226.78
  4. Step 4: Simplify right side
    694,920.18x = 419,557,733,140.55
  5. Step 5: Solve for x
    x = 419,557,733,140.55/694,920.18
  6. Step 6: Final answer
    x = 603,749.53

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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.