Home / 1,383,276.50-1,910,496.21-929,780.18

Finding the Fourth Proportional to 1,383,276.50, 1,910,496.21 and 929,780.18

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Solution

The fourth proportional to 1,383,276.50, 1,910,496.21 and 929,780.18 is: 1,284,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,276.50 : 1,910,496.21 = 929,780.18 : x
  2. Step 2: Convert to fraction form
    1,383,276.50/1,910,496.21 = 929,780.18/x
  3. Step 3: Cross multiply
    1,383,276.50x = 1,910,496.21 × 929,780.18
  4. Step 4: Simplify right side
    1,383,276.50x = 1,776,341,510,023.12
  5. Step 5: Solve for x
    x = 1,776,341,510,023.12/1,383,276.50
  6. Step 6: Final answer
    x = 1,284,155.06

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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.