Home / 1,123,873.60-1,685,810.40-413,754.70

Finding the Fourth Proportional to 1,123,873.60, 1,685,810.40 and 413,754.70

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Solution

The fourth proportional to 1,123,873.60, 1,685,810.40 and 413,754.70 is: 620,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,873.60 : 1,685,810.40 = 413,754.70 : x
  2. Step 2: Convert to fraction form
    1,123,873.60/1,685,810.40 = 413,754.70/x
  3. Step 3: Cross multiply
    1,123,873.60x = 1,685,810.40 × 413,754.70
  4. Step 4: Simplify right side
    1,123,873.60x = 697,511,976,308.88
  5. Step 5: Solve for x
    x = 697,511,976,308.88/1,123,873.60
  6. Step 6: Final answer
    x = 620,632.05

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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.