Home / 1,296,609.08-1,787,178.93-866,732.36

Finding the Fourth Proportional to 1,296,609.08, 1,787,178.93 and 866,732.36

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Solution

The fourth proportional to 1,296,609.08, 1,787,178.93 and 866,732.36 is: 1,194,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,609.08 : 1,787,178.93 = 866,732.36 : x
  2. Step 2: Convert to fraction form
    1,296,609.08/1,787,178.93 = 866,732.36/x
  3. Step 3: Cross multiply
    1,296,609.08x = 1,787,178.93 × 866,732.36
  4. Step 4: Simplify right side
    1,296,609.08x = 1,549,005,811,741.17
  5. Step 5: Solve for x
    x = 1,549,005,811,741.17/1,296,609.08
  6. Step 6: Final answer
    x = 1,194,659.08

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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.