Home / 1,111,418.66-1,666,318.80-353,010.80

Finding the Fourth Proportional to 1,111,418.66, 1,666,318.80 and 353,010.80

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Solution

The fourth proportional to 1,111,418.66, 1,666,318.80 and 353,010.80 is: 529,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,418.66 : 1,666,318.80 = 353,010.80 : x
  2. Step 2: Convert to fraction form
    1,111,418.66/1,666,318.80 = 353,010.80/x
  3. Step 3: Cross multiply
    1,111,418.66x = 1,666,318.80 × 353,010.80
  4. Step 4: Simplify right side
    1,111,418.66x = 588,228,532,643.04
  5. Step 5: Solve for x
    x = 588,228,532,643.04/1,111,418.66
  6. Step 6: Final answer
    x = 529,259.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.