Home / 1,328,583.77-1,993,192.01-430,025.66

Finding the Fourth Proportional to 1,328,583.77, 1,993,192.01 and 430,025.66

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Solution

The fourth proportional to 1,328,583.77, 1,993,192.01 and 430,025.66 is: 645,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,583.77 : 1,993,192.01 = 430,025.66 : x
  2. Step 2: Convert to fraction form
    1,328,583.77/1,993,192.01 = 430,025.66/x
  3. Step 3: Cross multiply
    1,328,583.77x = 1,993,192.01 × 430,025.66
  4. Step 4: Simplify right side
    1,328,583.77x = 857,123,706,577.96
  5. Step 5: Solve for x
    x = 857,123,706,577.96/1,328,583.77
  6. Step 6: Final answer
    x = 645,140.88

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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.