Home / 1,043,618.80-1,439,557.38-689,998.42

Finding the Fourth Proportional to 1,043,618.80, 1,439,557.38 and 689,998.42

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Solution

The fourth proportional to 1,043,618.80, 1,439,557.38 and 689,998.42 is: 951,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,618.80 : 1,439,557.38 = 689,998.42 : x
  2. Step 2: Convert to fraction form
    1,043,618.80/1,439,557.38 = 689,998.42/x
  3. Step 3: Cross multiply
    1,043,618.80x = 1,439,557.38 × 689,998.42
  4. Step 4: Simplify right side
    1,043,618.80x = 993,292,317,699.34
  5. Step 5: Solve for x
    x = 993,292,317,699.34/1,043,618.80
  6. Step 6: Final answer
    x = 951,776.95

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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.