Home / 1,679,998.88-2,519,783.79-542,642.90

Finding the Fourth Proportional to 1,679,998.88, 2,519,783.79 and 542,642.90

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Solution

The fourth proportional to 1,679,998.88, 2,519,783.79 and 542,642.90 is: 813,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,998.88 : 2,519,783.79 = 542,642.90 : x
  2. Step 2: Convert to fraction form
    1,679,998.88/2,519,783.79 = 542,642.90/x
  3. Step 3: Cross multiply
    1,679,998.88x = 2,519,783.79 × 542,642.90
  4. Step 4: Simplify right side
    1,679,998.88x = 1,367,342,771,597.13
  5. Step 5: Solve for x
    x = 1,367,342,771,597.13/1,679,998.88
  6. Step 6: Final answer
    x = 813,895.05

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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.