Home / 1,022,357.82-1,533,812.80-312,366.48

Finding the Fourth Proportional to 1,022,357.82, 1,533,812.80 and 312,366.48

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Solution

The fourth proportional to 1,022,357.82, 1,533,812.80 and 312,366.48 is: 468,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,357.82 : 1,533,812.80 = 312,366.48 : x
  2. Step 2: Convert to fraction form
    1,022,357.82/1,533,812.80 = 312,366.48/x
  3. Step 3: Cross multiply
    1,022,357.82x = 1,533,812.80 × 312,366.48
  4. Step 4: Simplify right side
    1,022,357.82x = 479,111,705,314.94
  5. Step 5: Solve for x
    x = 479,111,705,314.94/1,022,357.82
  6. Step 6: Final answer
    x = 468,634.07

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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.