Home / 1,010,517.18-1,394,967.51-666,555.90

Finding the Fourth Proportional to 1,010,517.18, 1,394,967.51 and 666,555.90

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Solution

The fourth proportional to 1,010,517.18, 1,394,967.51 and 666,555.90 is: 920,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,517.18 : 1,394,967.51 = 666,555.90 : x
  2. Step 2: Convert to fraction form
    1,010,517.18/1,394,967.51 = 666,555.90/x
  3. Step 3: Cross multiply
    1,010,517.18x = 1,394,967.51 × 666,555.90
  4. Step 4: Simplify right side
    1,010,517.18x = 929,823,824,098.81
  5. Step 5: Solve for x
    x = 929,823,824,098.81/1,010,517.18
  6. Step 6: Final answer
    x = 920,146.48

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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.