Home / 1,149,597.28-1,586,300.48-666,153.60

Finding the Fourth Proportional to 1,149,597.28, 1,586,300.48 and 666,153.60

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Solution

The fourth proportional to 1,149,597.28, 1,586,300.48 and 666,153.60 is: 919,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,597.28 : 1,586,300.48 = 666,153.60 : x
  2. Step 2: Convert to fraction form
    1,149,597.28/1,586,300.48 = 666,153.60/x
  3. Step 3: Cross multiply
    1,149,597.28x = 1,586,300.48 × 666,153.60
  4. Step 4: Simplify right side
    1,149,597.28x = 1,056,719,775,433.73
  5. Step 5: Solve for x
    x = 1,056,719,775,433.73/1,149,597.28
  6. Step 6: Final answer
    x = 919,208.66

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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.