Home / 437,720.16-604,334.95-274,600.30

Finding the Fourth Proportional to 437,720.16, 604,334.95 and 274,600.30

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Solution

The fourth proportional to 437,720.16, 604,334.95 and 274,600.30 is: 379,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,720.16 : 604,334.95 = 274,600.30 : x
  2. Step 2: Convert to fraction form
    437,720.16/604,334.95 = 274,600.30/x
  3. Step 3: Cross multiply
    437,720.16x = 604,334.95 × 274,600.30
  4. Step 4: Simplify right side
    437,720.16x = 165,950,560,499.92
  5. Step 5: Solve for x
    x = 165,950,560,499.92/437,720.16
  6. Step 6: Final answer
    x = 379,124.78

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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.