Home / 1,296,751.12-1,787,374.44-866,874.40

Finding the Fourth Proportional to 1,296,751.12, 1,787,374.44 and 866,874.40

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Solution

The fourth proportional to 1,296,751.12, 1,787,374.44 and 866,874.40 is: 1,194,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,751.12 : 1,787,374.44 = 866,874.40 : x
  2. Step 2: Convert to fraction form
    1,296,751.12/1,787,374.44 = 866,874.40/x
  3. Step 3: Cross multiply
    1,296,751.12x = 1,787,374.44 × 866,874.40
  4. Step 4: Simplify right side
    1,296,751.12x = 1,549,429,145,250.34
  5. Step 5: Solve for x
    x = 1,549,429,145,250.34/1,296,751.12
  6. Step 6: Final answer
    x = 1,194,854.68

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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.