Home / 1,855,394.40-2,560,407.12-1,039,588.32

Finding the Fourth Proportional to 1,855,394.40, 2,560,407.12 and 1,039,588.32

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Solution

The fourth proportional to 1,855,394.40, 2,560,407.12 and 1,039,588.32 is: 1,434,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,394.40 : 2,560,407.12 = 1,039,588.32 : x
  2. Step 2: Convert to fraction form
    1,855,394.40/2,560,407.12 = 1,039,588.32/x
  3. Step 3: Cross multiply
    1,855,394.40x = 2,560,407.12 × 1,039,588.32
  4. Step 4: Simplify right side
    1,855,394.40x = 2,661,769,336,396.84
  5. Step 5: Solve for x
    x = 2,661,769,336,396.84/1,855,394.40
  6. Step 6: Final answer
    x = 1,434,611.07

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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.