Home / 765,968.25-1,056,875.97-443,659.11

Finding the Fourth Proportional to 765,968.25, 1,056,875.97 and 443,659.11

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Solution

The fourth proportional to 765,968.25, 1,056,875.97 and 443,659.11 is: 612,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,968.25 : 1,056,875.97 = 443,659.11 : x
  2. Step 2: Convert to fraction form
    765,968.25/1,056,875.97 = 443,659.11/x
  3. Step 3: Cross multiply
    765,968.25x = 1,056,875.97 × 443,659.11
  4. Step 4: Simplify right side
    765,968.25x = 468,892,652,230.59
  5. Step 5: Solve for x
    x = 468,892,652,230.59/765,968.25
  6. Step 6: Final answer
    x = 612,156.77

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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.