Home / 1,111,918.64-1,533,636.84-704,086.88

Finding the Fourth Proportional to 1,111,918.64, 1,533,636.84 and 704,086.88

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Solution

The fourth proportional to 1,111,918.64, 1,533,636.84 and 704,086.88 is: 971,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,918.64 : 1,533,636.84 = 704,086.88 : x
  2. Step 2: Convert to fraction form
    1,111,918.64/1,533,636.84 = 704,086.88/x
  3. Step 3: Cross multiply
    1,111,918.64x = 1,533,636.84 × 704,086.88
  4. Step 4: Simplify right side
    1,111,918.64x = 1,079,813,577,728.66
  5. Step 5: Solve for x
    x = 1,079,813,577,728.66/1,111,918.64
  6. Step 6: Final answer
    x = 971,126.43

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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.