Home / 692,238.28-1,038,308.21-186,828.04

Finding the Fourth Proportional to 692,238.28, 1,038,308.21 and 186,828.04

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Solution

The fourth proportional to 692,238.28, 1,038,308.21 and 186,828.04 is: 280,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,238.28 : 1,038,308.21 = 186,828.04 : x
  2. Step 2: Convert to fraction form
    692,238.28/1,038,308.21 = 186,828.04/x
  3. Step 3: Cross multiply
    692,238.28x = 1,038,308.21 × 186,828.04
  4. Step 4: Simplify right side
    692,238.28x = 193,985,091,512.06
  5. Step 5: Solve for x
    x = 193,985,091,512.06/692,238.28
  6. Step 6: Final answer
    x = 280,228.79

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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.