Home / 1,149,297.14-1,586,030.02-666,142.54

Finding the Fourth Proportional to 1,149,297.14, 1,586,030.02 and 666,142.54

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Solution

The fourth proportional to 1,149,297.14, 1,586,030.02 and 666,142.54 is: 919,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,297.14 : 1,586,030.02 = 666,142.54 : x
  2. Step 2: Convert to fraction form
    1,149,297.14/1,586,030.02 = 666,142.54/x
  3. Step 3: Cross multiply
    1,149,297.14x = 1,586,030.02 × 666,142.54
  4. Step 4: Simplify right side
    1,149,297.14x = 1,056,522,060,408.62
  5. Step 5: Solve for x
    x = 1,056,522,060,408.62/1,149,297.14
  6. Step 6: Final answer
    x = 919,276.68

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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.