Home / 508,729.36-763,202.04-193,179.28

Finding the Fourth Proportional to 508,729.36, 763,202.04 and 193,179.28

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Solution

The fourth proportional to 508,729.36, 763,202.04 and 193,179.28 is: 289,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,729.36 : 763,202.04 = 193,179.28 : x
  2. Step 2: Convert to fraction form
    508,729.36/763,202.04 = 193,179.28/x
  3. Step 3: Cross multiply
    508,729.36x = 763,202.04 × 193,179.28
  4. Step 4: Simplify right side
    508,729.36x = 147,434,817,949.30
  5. Step 5: Solve for x
    x = 147,434,817,949.30/508,729.36
  6. Step 6: Final answer
    x = 289,809.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.