Home / 1,326,863.80-1,989,117.33-517,060.63

Finding the Fourth Proportional to 1,326,863.80, 1,989,117.33 and 517,060.63

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Solution

The fourth proportional to 1,326,863.80, 1,989,117.33 and 517,060.63 is: 775,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,863.80 : 1,989,117.33 = 517,060.63 : x
  2. Step 2: Convert to fraction form
    1,326,863.80/1,989,117.33 = 517,060.63/x
  3. Step 3: Cross multiply
    1,326,863.80x = 1,989,117.33 × 517,060.63
  4. Step 4: Simplify right side
    1,326,863.80x = 1,028,494,259,793.72
  5. Step 5: Solve for x
    x = 1,028,494,259,793.72/1,326,863.80
  6. Step 6: Final answer
    x = 775,131.75

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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.