Home / 495,185.12-683,353.56-268,830.56

Finding the Fourth Proportional to 495,185.12, 683,353.56 and 268,830.56

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Solution

The fourth proportional to 495,185.12, 683,353.56 and 268,830.56 is: 370,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,185.12 : 683,353.56 = 268,830.56 : x
  2. Step 2: Convert to fraction form
    495,185.12/683,353.56 = 268,830.56/x
  3. Step 3: Cross multiply
    495,185.12x = 683,353.56 × 268,830.56
  4. Step 4: Simplify right side
    495,185.12x = 183,706,320,212.79
  5. Step 5: Solve for x
    x = 183,706,320,212.79/495,185.12
  6. Step 6: Final answer
    x = 370,985.14

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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.