Home / 1,378,599.65-1,902,185.87-805,529.10

Finding the Fourth Proportional to 1,378,599.65, 1,902,185.87 and 805,529.10

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Solution

The fourth proportional to 1,378,599.65, 1,902,185.87 and 805,529.10 is: 1,111,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,599.65 : 1,902,185.87 = 805,529.10 : x
  2. Step 2: Convert to fraction form
    1,378,599.65/1,902,185.87 = 805,529.10/x
  3. Step 3: Cross multiply
    1,378,599.65x = 1,902,185.87 × 805,529.10
  4. Step 4: Simplify right side
    1,378,599.65x = 1,532,266,067,866.17
  5. Step 5: Solve for x
    x = 1,532,266,067,866.17/1,378,599.65
  6. Step 6: Final answer
    x = 1,111,465.59

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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.