Home / 832,738.46-1,248,920.78-383,027.36

Finding the Fourth Proportional to 832,738.46, 1,248,920.78 and 383,027.36

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Solution

The fourth proportional to 832,738.46, 1,248,920.78 and 383,027.36 is: 574,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,738.46 : 1,248,920.78 = 383,027.36 : x
  2. Step 2: Convert to fraction form
    832,738.46/1,248,920.78 = 383,027.36/x
  3. Step 3: Cross multiply
    832,738.46x = 1,248,920.78 × 383,027.36
  4. Step 4: Simplify right side
    832,738.46x = 478,370,829,212.54
  5. Step 5: Solve for x
    x = 478,370,829,212.54/832,738.46
  6. Step 6: Final answer
    x = 574,455.07

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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.