Home / 1,295,772.65-1,788,813.64-805,900.06

Finding the Fourth Proportional to 1,295,772.65, 1,788,813.64 and 805,900.06

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Solution

The fourth proportional to 1,295,772.65, 1,788,813.64 and 805,900.06 is: 1,112,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,772.65 : 1,788,813.64 = 805,900.06 : x
  2. Step 2: Convert to fraction form
    1,295,772.65/1,788,813.64 = 805,900.06/x
  3. Step 3: Cross multiply
    1,295,772.65x = 1,788,813.64 × 805,900.06
  4. Step 4: Simplify right side
    1,295,772.65x = 1,441,605,022,730.51
  5. Step 5: Solve for x
    x = 1,441,605,022,730.51/1,295,772.65
  6. Step 6: Final answer
    x = 1,112,544.72

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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.