Home / 495,019.71-683,123.18-268,665.21

Finding the Fourth Proportional to 495,019.71, 683,123.18 and 268,665.21

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Solution

The fourth proportional to 495,019.71, 683,123.18 and 268,665.21 is: 370,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,019.71 : 683,123.18 = 268,665.21 : x
  2. Step 2: Convert to fraction form
    495,019.71/683,123.18 = 268,665.21/x
  3. Step 3: Cross multiply
    495,019.71x = 683,123.18 × 268,665.21
  4. Step 4: Simplify right side
    495,019.71x = 183,531,431,267.24
  5. Step 5: Solve for x
    x = 183,531,431,267.24/495,019.71
  6. Step 6: Final answer
    x = 370,755.81

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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.