Home / 1,419,292.74-1,958,555.57-807,387.92

Finding the Fourth Proportional to 1,419,292.74, 1,958,555.57 and 807,387.92

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Solution

The fourth proportional to 1,419,292.74, 1,958,555.57 and 807,387.92 is: 1,114,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,292.74 : 1,958,555.57 = 807,387.92 : x
  2. Step 2: Convert to fraction form
    1,419,292.74/1,958,555.57 = 807,387.92/x
  3. Step 3: Cross multiply
    1,419,292.74x = 1,958,555.57 × 807,387.92
  4. Step 4: Simplify right side
    1,419,292.74x = 1,581,314,094,037.00
  5. Step 5: Solve for x
    x = 1,581,314,094,037.00/1,419,292.74
  6. Step 6: Final answer
    x = 1,114,156.40

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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.