Home / 1,313,439.93-1,969,996.82-353,970.59

Finding the Fourth Proportional to 1,313,439.93, 1,969,996.82 and 353,970.59

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Solution

The fourth proportional to 1,313,439.93, 1,969,996.82 and 353,970.59 is: 530,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,439.93 : 1,969,996.82 = 353,970.59 : x
  2. Step 2: Convert to fraction form
    1,313,439.93/1,969,996.82 = 353,970.59/x
  3. Step 3: Cross multiply
    1,313,439.93x = 1,969,996.82 × 353,970.59
  4. Step 4: Simplify right side
    1,313,439.93x = 697,320,936,673.52
  5. Step 5: Solve for x
    x = 697,320,936,673.52/1,313,439.93
  6. Step 6: Final answer
    x = 530,911.94

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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.