Home / 495,998.46-684,531.39-281,115.45

Finding the Fourth Proportional to 495,998.46, 684,531.39 and 281,115.45

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Solution

The fourth proportional to 495,998.46, 684,531.39 and 281,115.45 is: 387,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,998.46 : 684,531.39 = 281,115.45 : x
  2. Step 2: Convert to fraction form
    495,998.46/684,531.39 = 281,115.45/x
  3. Step 3: Cross multiply
    495,998.46x = 684,531.39 × 281,115.45
  4. Step 4: Simplify right side
    495,998.46x = 192,432,349,738.98
  5. Step 5: Solve for x
    x = 192,432,349,738.98/495,998.46
  6. Step 6: Final answer
    x = 387,969.65

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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.