Home / 886,270.17-1,329,120.93-287,086.86

Finding the Fourth Proportional to 886,270.17, 1,329,120.93 and 287,086.86

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Solution

The fourth proportional to 886,270.17, 1,329,120.93 and 287,086.86 is: 430,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,270.17 : 1,329,120.93 = 287,086.86 : x
  2. Step 2: Convert to fraction form
    886,270.17/1,329,120.93 = 287,086.86/x
  3. Step 3: Cross multiply
    886,270.17x = 1,329,120.93 × 287,086.86
  4. Step 4: Simplify right side
    886,270.17x = 381,573,154,353.98
  5. Step 5: Solve for x
    x = 381,573,154,353.98/886,270.17
  6. Step 6: Final answer
    x = 430,538.19

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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.