Home / 1,538,885.88-2,308,447.98-514,219.70

Finding the Fourth Proportional to 1,538,885.88, 2,308,447.98 and 514,219.70

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Solution

The fourth proportional to 1,538,885.88, 2,308,447.98 and 514,219.70 is: 771,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,885.88 : 2,308,447.98 = 514,219.70 : x
  2. Step 2: Convert to fraction form
    1,538,885.88/2,308,447.98 = 514,219.70/x
  3. Step 3: Cross multiply
    1,538,885.88x = 2,308,447.98 × 514,219.70
  4. Step 4: Simplify right side
    1,538,885.88x = 1,187,049,427,741.21
  5. Step 5: Solve for x
    x = 1,187,049,427,741.21/1,538,885.88
  6. Step 6: Final answer
    x = 771,369.37

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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.