Home / 887,372.16-1,224,546.24-505,453.44

Finding the Fourth Proportional to 887,372.16, 1,224,546.24 and 505,453.44

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Solution

The fourth proportional to 887,372.16, 1,224,546.24 and 505,453.44 is: 697,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,372.16 : 1,224,546.24 = 505,453.44 : x
  2. Step 2: Convert to fraction form
    887,372.16/1,224,546.24 = 505,453.44/x
  3. Step 3: Cross multiply
    887,372.16x = 1,224,546.24 × 505,453.44
  4. Step 4: Simplify right side
    887,372.16x = 618,951,109,447.07
  5. Step 5: Solve for x
    x = 618,951,109,447.07/887,372.16
  6. Step 6: Final answer
    x = 697,510.17

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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.