Home / 461,824.85-637,758.44-436,664.78

Finding the Fourth Proportional to 461,824.85, 637,758.44 and 436,664.78

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Solution

The fourth proportional to 461,824.85, 637,758.44 and 436,664.78 is: 603,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,824.85 : 637,758.44 = 436,664.78 : x
  2. Step 2: Convert to fraction form
    461,824.85/637,758.44 = 436,664.78/x
  3. Step 3: Cross multiply
    461,824.85x = 637,758.44 × 436,664.78
  4. Step 4: Simplify right side
    461,824.85x = 278,486,648,895.74
  5. Step 5: Solve for x
    x = 278,486,648,895.74/461,824.85
  6. Step 6: Final answer
    x = 603,013.56

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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.