Home / 708,423.54-1,062,411.75-281,773.86

Finding the Fourth Proportional to 708,423.54, 1,062,411.75 and 281,773.86

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Solution

The fourth proportional to 708,423.54, 1,062,411.75 and 281,773.86 is: 422,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,423.54 : 1,062,411.75 = 281,773.86 : x
  2. Step 2: Convert to fraction form
    708,423.54/1,062,411.75 = 281,773.86/x
  3. Step 3: Cross multiply
    708,423.54x = 1,062,411.75 × 281,773.86
  4. Step 4: Simplify right side
    708,423.54x = 299,359,859,706.86
  5. Step 5: Solve for x
    x = 299,359,859,706.86/708,423.54
  6. Step 6: Final answer
    x = 422,571.87

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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.