Home / 1,112,961-1,535,886.33-629,515.74

Finding the Fourth Proportional to 1,112,961, 1,535,886.33 and 629,515.74

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Solution

The fourth proportional to 1,112,961, 1,535,886.33 and 629,515.74 is: 868,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,961 : 1,535,886.33 = 629,515.74 : x
  2. Step 2: Convert to fraction form
    1,112,961/1,535,886.33 = 629,515.74/x
  3. Step 3: Cross multiply
    1,112,961x = 1,535,886.33 × 629,515.74
  4. Step 4: Simplify right side
    1,112,961x = 966,864,619,585.83
  5. Step 5: Solve for x
    x = 966,864,619,585.83/1,112,961
  6. Step 6: Final answer
    x = 868,731.81

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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.