Home / 495,816.32-684,230.64-269,461.76

Finding the Fourth Proportional to 495,816.32, 684,230.64 and 269,461.76

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Solution

The fourth proportional to 495,816.32, 684,230.64 and 269,461.76 is: 371,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,816.32 : 684,230.64 = 269,461.76 : x
  2. Step 2: Convert to fraction form
    495,816.32/684,230.64 = 269,461.76/x
  3. Step 3: Cross multiply
    495,816.32x = 684,230.64 × 269,461.76
  4. Step 4: Simplify right side
    495,816.32x = 184,373,992,500.33
  5. Step 5: Solve for x
    x = 184,373,992,500.33/495,816.32
  6. Step 6: Final answer
    x = 371,859.47

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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.