Home / 1,330,382.56-1,835,927.56-718,535.15

Finding the Fourth Proportional to 1,330,382.56, 1,835,927.56 and 718,535.15

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Solution

The fourth proportional to 1,330,382.56, 1,835,927.56 and 718,535.15 is: 991,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,382.56 : 1,835,927.56 = 718,535.15 : x
  2. Step 2: Convert to fraction form
    1,330,382.56/1,835,927.56 = 718,535.15/x
  3. Step 3: Cross multiply
    1,330,382.56x = 1,835,927.56 × 718,535.15
  4. Step 4: Simplify right side
    1,330,382.56x = 1,319,178,484,713.73
  5. Step 5: Solve for x
    x = 1,319,178,484,713.73/1,330,382.56
  6. Step 6: Final answer
    x = 991,578.31

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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.