Home / 1,039,604.14-1,557,798.85-811,358.57

Finding the Fourth Proportional to 1,039,604.14, 1,557,798.85 and 811,358.57

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Solution

The fourth proportional to 1,039,604.14, 1,557,798.85 and 811,358.57 is: 1,215,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,604.14 : 1,557,798.85 = 811,358.57 : x
  2. Step 2: Convert to fraction form
    1,039,604.14/1,557,798.85 = 811,358.57/x
  3. Step 3: Cross multiply
    1,039,604.14x = 1,557,798.85 × 811,358.57
  4. Step 4: Simplify right side
    1,039,604.14x = 1,263,933,447,283.64
  5. Step 5: Solve for x
    x = 1,263,933,447,283.64/1,039,604.14
  6. Step 6: Final answer
    x = 1,215,783.39

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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.