Home / 1,383,282-1,910,503.80-929,785.68

Finding the Fourth Proportional to 1,383,282, 1,910,503.80 and 929,785.68

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Solution

The fourth proportional to 1,383,282, 1,910,503.80 and 929,785.68 is: 1,284,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,282 : 1,910,503.80 = 929,785.68 : x
  2. Step 2: Convert to fraction form
    1,383,282/1,910,503.80 = 929,785.68/x
  3. Step 3: Cross multiply
    1,383,282x = 1,910,503.80 × 929,785.68
  4. Step 4: Simplify right side
    1,383,282x = 1,776,359,074,825.58
  5. Step 5: Solve for x
    x = 1,776,359,074,825.58/1,383,282
  6. Step 6: Final answer
    x = 1,284,162.65

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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.