Home / 1,182,481.92-1,631,824.65-638,617.83

Finding the Fourth Proportional to 1,182,481.92, 1,631,824.65 and 638,617.83

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Solution

The fourth proportional to 1,182,481.92, 1,631,824.65 and 638,617.83 is: 881,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,481.92 : 1,631,824.65 = 638,617.83 : x
  2. Step 2: Convert to fraction form
    1,182,481.92/1,631,824.65 = 638,617.83/x
  3. Step 3: Cross multiply
    1,182,481.92x = 1,631,824.65 × 638,617.83
  4. Step 4: Simplify right side
    1,182,481.92x = 1,042,112,316,923.51
  5. Step 5: Solve for x
    x = 1,042,112,316,923.51/1,182,481.92
  6. Step 6: Final answer
    x = 881,292.39

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1.5x scale

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.