Home / 895,811.28-1,236,219.52-493,403.28

Finding the Fourth Proportional to 895,811.28, 1,236,219.52 and 493,403.28

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Solution

The fourth proportional to 895,811.28, 1,236,219.52 and 493,403.28 is: 680,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,811.28 : 1,236,219.52 = 493,403.28 : x
  2. Step 2: Convert to fraction form
    895,811.28/1,236,219.52 = 493,403.28/x
  3. Step 3: Cross multiply
    895,811.28x = 1,236,219.52 × 493,403.28
  4. Step 4: Simplify right side
    895,811.28x = 609,954,765,968.03
  5. Step 5: Solve for x
    x = 609,954,765,968.03/895,811.28
  6. Step 6: Final answer
    x = 680,896.50

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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.