Home / 1,111,198.64-1,666,032-437,357.30

Finding the Fourth Proportional to 1,111,198.64, 1,666,032 and 437,357.30

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Solution

The fourth proportional to 1,111,198.64, 1,666,032 and 437,357.30 is: 655,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,198.64 : 1,666,032 = 437,357.30 : x
  2. Step 2: Convert to fraction form
    1,111,198.64/1,666,032 = 437,357.30/x
  3. Step 3: Cross multiply
    1,111,198.64x = 1,666,032 × 437,357.30
  4. Step 4: Simplify right side
    1,111,198.64x = 728,651,257,233.60
  5. Step 5: Solve for x
    x = 728,651,257,233.60/1,111,198.64
  6. Step 6: Final answer
    x = 655,734.48

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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.