Home / 495,436.24-683,679.16-280,577.87

Finding the Fourth Proportional to 495,436.24, 683,679.16 and 280,577.87

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Solution

The fourth proportional to 495,436.24, 683,679.16 and 280,577.87 is: 387,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,436.24 : 683,679.16 = 280,577.87 : x
  2. Step 2: Convert to fraction form
    495,436.24/683,679.16 = 280,577.87/x
  3. Step 3: Cross multiply
    495,436.24x = 683,679.16 × 280,577.87
  4. Step 4: Simplify right side
    495,436.24x = 191,825,238,356.35
  5. Step 5: Solve for x
    x = 191,825,238,356.35/495,436.24
  6. Step 6: Final answer
    x = 387,184.51

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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.