Home / 831,188.48-1,146,982.56-468,625.28

Finding the Fourth Proportional to 831,188.48, 1,146,982.56 and 468,625.28

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Solution

The fourth proportional to 831,188.48, 1,146,982.56 and 468,625.28 is: 646,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,188.48 : 1,146,982.56 = 468,625.28 : x
  2. Step 2: Convert to fraction form
    831,188.48/1,146,982.56 = 468,625.28/x
  3. Step 3: Cross multiply
    831,188.48x = 1,146,982.56 × 468,625.28
  4. Step 4: Simplify right side
    831,188.48x = 537,505,023,335.12
  5. Step 5: Solve for x
    x = 537,505,023,335.12/831,188.48
  6. Step 6: Final answer
    x = 646,670.44

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1.5x scale

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.