Home / 1,010,541.72-1,394,782.03-666,439.75

Finding the Fourth Proportional to 1,010,541.72, 1,394,782.03 and 666,439.75

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Solution

The fourth proportional to 1,010,541.72, 1,394,782.03 and 666,439.75 is: 919,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,541.72 : 1,394,782.03 = 666,439.75 : x
  2. Step 2: Convert to fraction form
    1,010,541.72/1,394,782.03 = 666,439.75/x
  3. Step 3: Cross multiply
    1,010,541.72x = 1,394,782.03 × 666,439.75
  4. Step 4: Simplify right side
    1,010,541.72x = 929,538,189,954.22
  5. Step 5: Solve for x
    x = 929,538,189,954.22/1,010,541.72
  6. Step 6: Final answer
    x = 919,841.48

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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.