Home / 1,419,438.15-1,958,562.60-807,555.20

Finding the Fourth Proportional to 1,419,438.15, 1,958,562.60 and 807,555.20

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Solution

The fourth proportional to 1,419,438.15, 1,958,562.60 and 807,555.20 is: 1,114,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,438.15 : 1,958,562.60 = 807,555.20 : x
  2. Step 2: Convert to fraction form
    1,419,438.15/1,958,562.60 = 807,555.20/x
  3. Step 3: Cross multiply
    1,419,438.15x = 1,958,562.60 × 807,555.20
  4. Step 4: Simplify right side
    1,419,438.15x = 1,581,647,402,362.71
  5. Step 5: Solve for x
    x = 1,581,647,402,362.71/1,419,438.15
  6. Step 6: Final answer
    x = 1,114,277.08

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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.