Home / 410,964.60-616,562.10-200,609.40

Finding the Fourth Proportional to 410,964.60, 616,562.10 and 200,609.40

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Solution

The fourth proportional to 410,964.60, 616,562.10 and 200,609.40 is: 300,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,964.60 : 616,562.10 = 200,609.40 : x
  2. Step 2: Convert to fraction form
    410,964.60/616,562.10 = 200,609.40/x
  3. Step 3: Cross multiply
    410,964.60x = 616,562.10 × 200,609.40
  4. Step 4: Simplify right side
    410,964.60x = 123,688,152,943.74
  5. Step 5: Solve for x
    x = 123,688,152,943.74/410,964.60
  6. Step 6: Final answer
    x = 300,970.33

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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.