Home / 820,797.12-1,133,171.28-625,673.04

Finding the Fourth Proportional to 820,797.12, 1,133,171.28 and 625,673.04

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Solution

The fourth proportional to 820,797.12, 1,133,171.28 and 625,673.04 is: 863,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,797.12 : 1,133,171.28 = 625,673.04 : x
  2. Step 2: Convert to fraction form
    820,797.12/1,133,171.28 = 625,673.04/x
  3. Step 3: Cross multiply
    820,797.12x = 1,133,171.28 × 625,673.04
  4. Step 4: Simplify right side
    820,797.12x = 708,994,719,598.29
  5. Step 5: Solve for x
    x = 708,994,719,598.29/820,797.12
  6. Step 6: Final answer
    x = 863,788.02

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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.