Home / 495,341.03-683,573.10-280,522.96

Finding the Fourth Proportional to 495,341.03, 683,573.10 and 280,522.96

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Solution

The fourth proportional to 495,341.03, 683,573.10 and 280,522.96 is: 387,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,341.03 : 683,573.10 = 280,522.96 : x
  2. Step 2: Convert to fraction form
    495,341.03/683,573.10 = 280,522.96/x
  3. Step 3: Cross multiply
    495,341.03x = 683,573.10 × 280,522.96
  4. Step 4: Simplify right side
    495,341.03x = 191,757,949,388.38
  5. Step 5: Solve for x
    x = 191,757,949,388.38/495,341.03
  6. Step 6: Final answer
    x = 387,123.09

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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.