Home / 1,010,255.90-1,394,607.80-666,295.88

Finding the Fourth Proportional to 1,010,255.90, 1,394,607.80 and 666,295.88

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Solution

The fourth proportional to 1,010,255.90, 1,394,607.80 and 666,295.88 is: 919,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,255.90 : 1,394,607.80 = 666,295.88 : x
  2. Step 2: Convert to fraction form
    1,010,255.90/1,394,607.80 = 666,295.88/x
  3. Step 3: Cross multiply
    1,010,255.90x = 1,394,607.80 × 666,295.88
  4. Step 4: Simplify right side
    1,010,255.90x = 929,221,431,355.86
  5. Step 5: Solve for x
    x = 929,221,431,355.86/1,010,255.90
  6. Step 6: Final answer
    x = 919,788.18

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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.