Home / 1,182,589.76-1,773,930.36-413,938.64

Finding the Fourth Proportional to 1,182,589.76, 1,773,930.36 and 413,938.64

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Solution

The fourth proportional to 1,182,589.76, 1,773,930.36 and 413,938.64 is: 620,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,589.76 : 1,773,930.36 = 413,938.64 : x
  2. Step 2: Convert to fraction form
    1,182,589.76/1,773,930.36 = 413,938.64/x
  3. Step 3: Cross multiply
    1,182,589.76x = 1,773,930.36 × 413,938.64
  4. Step 4: Simplify right side
    1,182,589.76x = 734,298,320,673.11
  5. Step 5: Solve for x
    x = 734,298,320,673.11/1,182,589.76
  6. Step 6: Final answer
    x = 620,923.96

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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.