Home / 494,826.88-742,341.28-210,516.96

Finding the Fourth Proportional to 494,826.88, 742,341.28 and 210,516.96

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Solution

The fourth proportional to 494,826.88, 742,341.28 and 210,516.96 is: 315,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,826.88 : 742,341.28 = 210,516.96 : x
  2. Step 2: Convert to fraction form
    494,826.88/742,341.28 = 210,516.96/x
  3. Step 3: Cross multiply
    494,826.88x = 742,341.28 × 210,516.96
  4. Step 4: Simplify right side
    494,826.88x = 156,275,429,548.11
  5. Step 5: Solve for x
    x = 156,275,429,548.11/494,826.88
  6. Step 6: Final answer
    x = 315,818.39

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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.