Home / 495,793.28-684,200.04-269,438.78

Finding the Fourth Proportional to 495,793.28, 684,200.04 and 269,438.78

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Solution

The fourth proportional to 495,793.28, 684,200.04 and 269,438.78 is: 371,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,793.28 : 684,200.04 = 269,438.78 : x
  2. Step 2: Convert to fraction form
    495,793.28/684,200.04 = 269,438.78/x
  3. Step 3: Cross multiply
    495,793.28x = 684,200.04 × 269,438.78
  4. Step 4: Simplify right side
    495,793.28x = 184,350,024,053.55
  5. Step 5: Solve for x
    x = 184,350,024,053.55/495,793.28
  6. Step 6: Final answer
    x = 371,828.40

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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.