Home / 895,999.43-1,236,478.67-493,591.43

Finding the Fourth Proportional to 895,999.43, 1,236,478.67 and 493,591.43

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Solution

The fourth proportional to 895,999.43, 1,236,478.67 and 493,591.43 is: 681,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,999.43 : 1,236,478.67 = 493,591.43 : x
  2. Step 2: Convert to fraction form
    895,999.43/1,236,478.67 = 493,591.43/x
  3. Step 3: Cross multiply
    895,999.43x = 1,236,478.67 × 493,591.43
  4. Step 4: Simplify right side
    895,999.43x = 610,315,274,889.80
  5. Step 5: Solve for x
    x = 610,315,274,889.80/895,999.43
  6. Step 6: Final answer
    x = 681,155.87

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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.