Home / 694,938.24-959,018.46-393,125.76

Finding the Fourth Proportional to 694,938.24, 959,018.46 and 393,125.76

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Solution

The fourth proportional to 694,938.24, 959,018.46 and 393,125.76 is: 542,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,938.24 : 959,018.46 = 393,125.76 : x
  2. Step 2: Convert to fraction form
    694,938.24/959,018.46 = 393,125.76/x
  3. Step 3: Cross multiply
    694,938.24x = 959,018.46 × 393,125.76
  4. Step 4: Simplify right side
    694,938.24x = 377,014,860,941.53
  5. Step 5: Solve for x
    x = 377,014,860,941.53/694,938.24
  6. Step 6: Final answer
    x = 542,515.64

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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.