Home / 968,189.30-1,336,118.40-538,469.62

Finding the Fourth Proportional to 968,189.30, 1,336,118.40 and 538,469.62

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Solution

The fourth proportional to 968,189.30, 1,336,118.40 and 538,469.62 is: 743,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,189.30 : 1,336,118.40 = 538,469.62 : x
  2. Step 2: Convert to fraction form
    968,189.30/1,336,118.40 = 538,469.62/x
  3. Step 3: Cross multiply
    968,189.30x = 1,336,118.40 × 538,469.62
  4. Step 4: Simplify right side
    968,189.30x = 719,459,167,123.01
  5. Step 5: Solve for x
    x = 719,459,167,123.01/968,189.30
  6. Step 6: Final answer
    x = 743,097.62

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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.