Home / 1,111,037.88-1,666,212.28-400,973.64

Finding the Fourth Proportional to 1,111,037.88, 1,666,212.28 and 400,973.64

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Solution

The fourth proportional to 1,111,037.88, 1,666,212.28 and 400,973.64 is: 601,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,037.88 : 1,666,212.28 = 400,973.64 : x
  2. Step 2: Convert to fraction form
    1,111,037.88/1,666,212.28 = 400,973.64/x
  3. Step 3: Cross multiply
    1,111,037.88x = 1,666,212.28 × 400,973.64
  4. Step 4: Simplify right side
    1,111,037.88x = 668,107,202,924.30
  5. Step 5: Solve for x
    x = 668,107,202,924.30/1,111,037.88
  6. Step 6: Final answer
    x = 601,336.12

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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.