Home / 1,383,178.40-2,074,767.60-851,737.40

Finding the Fourth Proportional to 1,383,178.40, 2,074,767.60 and 851,737.40

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Solution

The fourth proportional to 1,383,178.40, 2,074,767.60 and 851,737.40 is: 1,277,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,178.40 : 2,074,767.60 = 851,737.40 : x
  2. Step 2: Convert to fraction form
    1,383,178.40/2,074,767.60 = 851,737.40/x
  3. Step 3: Cross multiply
    1,383,178.40x = 2,074,767.60 × 851,737.40
  4. Step 4: Simplify right side
    1,383,178.40x = 1,767,157,161,228.24
  5. Step 5: Solve for x
    x = 1,767,157,161,228.24/1,383,178.40
  6. Step 6: Final answer
    x = 1,277,606.10

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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.