Home / 1,773,638.40-2,660,850.72-511,367.52

Finding the Fourth Proportional to 1,773,638.40, 2,660,850.72 and 511,367.52

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Solution

The fourth proportional to 1,773,638.40, 2,660,850.72 and 511,367.52 is: 767,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,638.40 : 2,660,850.72 = 511,367.52 : x
  2. Step 2: Convert to fraction form
    1,773,638.40/2,660,850.72 = 511,367.52/x
  3. Step 3: Cross multiply
    1,773,638.40x = 2,660,850.72 × 511,367.52
  4. Step 4: Simplify right side
    1,773,638.40x = 1,360,672,633,776.61
  5. Step 5: Solve for x
    x = 1,360,672,633,776.61/1,773,638.40
  6. Step 6: Final answer
    x = 767,164.62

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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.