Home / 866,941.38-1,300,415.72-235,854.59

Finding the Fourth Proportional to 866,941.38, 1,300,415.72 and 235,854.59

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Solution

The fourth proportional to 866,941.38, 1,300,415.72 and 235,854.59 is: 353,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,941.38 : 1,300,415.72 = 235,854.59 : x
  2. Step 2: Convert to fraction form
    866,941.38/1,300,415.72 = 235,854.59/x
  3. Step 3: Cross multiply
    866,941.38x = 1,300,415.72 × 235,854.59
  4. Step 4: Simplify right side
    866,941.38x = 306,709,008,788.80
  5. Step 5: Solve for x
    x = 306,709,008,788.80/866,941.38
  6. Step 6: Final answer
    x = 353,782.87

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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.