Home / 641,696.48-963,490.94-357,941.42

Finding the Fourth Proportional to 641,696.48, 963,490.94 and 357,941.42

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Solution

The fourth proportional to 641,696.48, 963,490.94 and 357,941.42 is: 537,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,696.48 : 963,490.94 = 357,941.42 : x
  2. Step 2: Convert to fraction form
    641,696.48/963,490.94 = 357,941.42/x
  3. Step 3: Cross multiply
    641,696.48x = 963,490.94 × 357,941.42
  4. Step 4: Simplify right side
    641,696.48x = 344,873,308,613.57
  5. Step 5: Solve for x
    x = 344,873,308,613.57/641,696.48
  6. Step 6: Final answer
    x = 537,439.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.