Home / 495,160.11-683,337.33-280,295.73

Finding the Fourth Proportional to 495,160.11, 683,337.33 and 280,295.73

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Solution

The fourth proportional to 495,160.11, 683,337.33 and 280,295.73 is: 386,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,160.11 : 683,337.33 = 280,295.73 : x
  2. Step 2: Convert to fraction form
    495,160.11/683,337.33 = 280,295.73/x
  3. Step 3: Cross multiply
    495,160.11x = 683,337.33 × 280,295.73
  4. Step 4: Simplify right side
    495,160.11x = 191,536,535,748.60
  5. Step 5: Solve for x
    x = 191,536,535,748.60/495,160.11
  6. Step 6: Final answer
    x = 386,817.38

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1.5x scale

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.