Home / 714,091.66-985,446.46-408,174.64

Finding the Fourth Proportional to 714,091.66, 985,446.46 and 408,174.64

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Solution

The fourth proportional to 714,091.66, 985,446.46 and 408,174.64 is: 563,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,091.66 : 985,446.46 = 408,174.64 : x
  2. Step 2: Convert to fraction form
    714,091.66/985,446.46 = 408,174.64/x
  3. Step 3: Cross multiply
    714,091.66x = 985,446.46 × 408,174.64
  4. Step 4: Simplify right side
    714,091.66x = 402,234,254,049.77
  5. Step 5: Solve for x
    x = 402,234,254,049.77/714,091.66
  6. Step 6: Final answer
    x = 563,280.99

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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.