Home / 1,418,065.56-1,956,936.63-773,499.60

Finding the Fourth Proportional to 1,418,065.56, 1,956,936.63 and 773,499.60

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Solution

The fourth proportional to 1,418,065.56, 1,956,936.63 and 773,499.60 is: 1,067,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,065.56 : 1,956,936.63 = 773,499.60 : x
  2. Step 2: Convert to fraction form
    1,418,065.56/1,956,936.63 = 773,499.60/x
  3. Step 3: Cross multiply
    1,418,065.56x = 1,956,936.63 × 773,499.60
  4. Step 4: Simplify right side
    1,418,065.56x = 1,513,689,700,530.35
  5. Step 5: Solve for x
    x = 1,513,689,700,530.35/1,418,065.56
  6. Step 6: Final answer
    x = 1,067,432.81

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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.