Home / 1,010,253.90-1,394,605.04-666,293.88

Finding the Fourth Proportional to 1,010,253.90, 1,394,605.04 and 666,293.88

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Solution

The fourth proportional to 1,010,253.90, 1,394,605.04 and 666,293.88 is: 919,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,253.90 : 1,394,605.04 = 666,293.88 : x
  2. Step 2: Convert to fraction form
    1,010,253.90/1,394,605.04 = 666,293.88/x
  3. Step 3: Cross multiply
    1,010,253.90x = 1,394,605.04 × 666,293.88
  4. Step 4: Simplify right side
    1,010,253.90x = 929,216,799,837.69
  5. Step 5: Solve for x
    x = 929,216,799,837.69/1,010,253.90
  6. Step 6: Final answer
    x = 919,785.41

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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.