Home / 1,123,630.76-1,685,614.38-413,604.68

Finding the Fourth Proportional to 1,123,630.76, 1,685,614.38 and 413,604.68

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Solution

The fourth proportional to 1,123,630.76, 1,685,614.38 and 413,604.68 is: 620,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,630.76 : 1,685,614.38 = 413,604.68 : x
  2. Step 2: Convert to fraction form
    1,123,630.76/1,685,614.38 = 413,604.68/x
  3. Step 3: Cross multiply
    1,123,630.76x = 1,685,614.38 × 413,604.68
  4. Step 4: Simplify right side
    1,123,630.76x = 697,177,996,243.30
  5. Step 5: Solve for x
    x = 697,177,996,243.30/1,123,630.76
  6. Step 6: Final answer
    x = 620,468.95

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1.5x scale

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.