Home / 1,551,658.88-2,141,299.90-863,359.86

Finding the Fourth Proportional to 1,551,658.88, 2,141,299.90 and 863,359.86

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Solution

The fourth proportional to 1,551,658.88, 2,141,299.90 and 863,359.86 is: 1,191,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,658.88 : 2,141,299.90 = 863,359.86 : x
  2. Step 2: Convert to fraction form
    1,551,658.88/2,141,299.90 = 863,359.86/x
  3. Step 3: Cross multiply
    1,551,658.88x = 2,141,299.90 × 863,359.86
  4. Step 4: Simplify right side
    1,551,658.88x = 1,848,712,390,991.09
  5. Step 5: Solve for x
    x = 1,848,712,390,991.09/1,551,658.88
  6. Step 6: Final answer
    x = 1,191,442.53

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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.