Home / 495,339.31-683,570.78-268,984.81

Finding the Fourth Proportional to 495,339.31, 683,570.78 and 268,984.81

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Solution

The fourth proportional to 495,339.31, 683,570.78 and 268,984.81 is: 371,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,339.31 : 683,570.78 = 268,984.81 : x
  2. Step 2: Convert to fraction form
    495,339.31/683,570.78 = 268,984.81/x
  3. Step 3: Cross multiply
    495,339.31x = 683,570.78 × 268,984.81
  4. Step 4: Simplify right side
    495,339.31x = 183,870,156,379.85
  5. Step 5: Solve for x
    x = 183,870,156,379.85/495,339.31
  6. Step 6: Final answer
    x = 371,200.41

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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.