Home / 1,186,596.76-1,777,821.54-988,193.56

Finding the Fourth Proportional to 1,186,596.76, 1,777,821.54 and 988,193.56

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Solution

The fourth proportional to 1,186,596.76, 1,777,821.54 and 988,193.56 is: 1,480,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,596.76 : 1,777,821.54 = 988,193.56 : x
  2. Step 2: Convert to fraction form
    1,186,596.76/1,777,821.54 = 988,193.56/x
  3. Step 3: Cross multiply
    1,186,596.76x = 1,777,821.54 × 988,193.56
  4. Step 4: Simplify right side
    1,186,596.76x = 1,756,831,796,657.28
  5. Step 5: Solve for x
    x = 1,756,831,796,657.28/1,186,596.76
  6. Step 6: Final answer
    x = 1,480,563.45

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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.