Home / 1,316,705.78-1,817,053.98-713,093.78

Finding the Fourth Proportional to 1,316,705.78, 1,817,053.98 and 713,093.78

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Solution

The fourth proportional to 1,316,705.78, 1,817,053.98 and 713,093.78 is: 984,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,705.78 : 1,817,053.98 = 713,093.78 : x
  2. Step 2: Convert to fraction form
    1,316,705.78/1,817,053.98 = 713,093.78/x
  3. Step 3: Cross multiply
    1,316,705.78x = 1,817,053.98 × 713,093.78
  4. Step 4: Simplify right side
    1,316,705.78x = 1,295,729,891,062.24
  5. Step 5: Solve for x
    x = 1,295,729,891,062.24/1,316,705.78
  6. Step 6: Final answer
    x = 984,069.42

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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.