Home / 1,002,509.46-1,383,536.23-572,780.36

Finding the Fourth Proportional to 1,002,509.46, 1,383,536.23 and 572,780.36

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Solution

The fourth proportional to 1,002,509.46, 1,383,536.23 and 572,780.36 is: 790,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,509.46 : 1,383,536.23 = 572,780.36 : x
  2. Step 2: Convert to fraction form
    1,002,509.46/1,383,536.23 = 572,780.36/x
  3. Step 3: Cross multiply
    1,002,509.46x = 1,383,536.23 × 572,780.36
  4. Step 4: Simplify right side
    1,002,509.46x = 792,462,381,919.33
  5. Step 5: Solve for x
    x = 792,462,381,919.33/1,002,509.46
  6. Step 6: Final answer
    x = 790,478.71

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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.