Home / 1,312,783.19-1,811,596.01-724,105.95

Finding the Fourth Proportional to 1,312,783.19, 1,811,596.01 and 724,105.95

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Solution

The fourth proportional to 1,312,783.19, 1,811,596.01 and 724,105.95 is: 999,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,783.19 : 1,811,596.01 = 724,105.95 : x
  2. Step 2: Convert to fraction form
    1,312,783.19/1,811,596.01 = 724,105.95/x
  3. Step 3: Cross multiply
    1,312,783.19x = 1,811,596.01 × 724,105.95
  4. Step 4: Simplify right side
    1,312,783.19x = 1,311,787,446,216.73
  5. Step 5: Solve for x
    x = 1,311,787,446,216.73/1,312,783.19
  6. Step 6: Final answer
    x = 999,241.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.