Home / 1,123,896.60-1,685,844.90-413,777.70

Finding the Fourth Proportional to 1,123,896.60, 1,685,844.90 and 413,777.70

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Solution

The fourth proportional to 1,123,896.60, 1,685,844.90 and 413,777.70 is: 620,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,896.60 : 1,685,844.90 = 413,777.70 : x
  2. Step 2: Convert to fraction form
    1,123,896.60/1,685,844.90 = 413,777.70/x
  3. Step 3: Cross multiply
    1,123,896.60x = 1,685,844.90 × 413,777.70
  4. Step 4: Simplify right side
    1,123,896.60x = 697,565,025,278.73
  5. Step 5: Solve for x
    x = 697,565,025,278.73/1,123,896.60
  6. Step 6: Final answer
    x = 620,666.55

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Similar ratio
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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.