Home / 1,295,516.76-1,787,159.34-866,367.96

Finding the Fourth Proportional to 1,295,516.76, 1,787,159.34 and 866,367.96

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Solution

The fourth proportional to 1,295,516.76, 1,787,159.34 and 866,367.96 is: 1,195,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,516.76 : 1,787,159.34 = 866,367.96 : x
  2. Step 2: Convert to fraction form
    1,295,516.76/1,787,159.34 = 866,367.96/x
  3. Step 3: Cross multiply
    1,295,516.76x = 1,787,159.34 × 866,367.96
  4. Step 4: Simplify right side
    1,295,516.76x = 1,548,337,591,590.75
  5. Step 5: Solve for x
    x = 1,548,337,591,590.75/1,295,516.76
  6. Step 6: Final answer
    x = 1,195,150.57

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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.