Home / 982,172.56-1,355,388.28-546,582.48

Finding the Fourth Proportional to 982,172.56, 1,355,388.28 and 546,582.48

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Solution

The fourth proportional to 982,172.56, 1,355,388.28 and 546,582.48 is: 754,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,172.56 : 1,355,388.28 = 546,582.48 : x
  2. Step 2: Convert to fraction form
    982,172.56/1,355,388.28 = 546,582.48/x
  3. Step 3: Cross multiply
    982,172.56x = 1,355,388.28 × 546,582.48
  4. Step 4: Simplify right side
    982,172.56x = 740,831,487,445.33
  5. Step 5: Solve for x
    x = 740,831,487,445.33/982,172.56
  6. Step 6: Final answer
    x = 754,278.34

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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.