Home / 1,678,944.01-2,316,659.07-943,800.36

Finding the Fourth Proportional to 1,678,944.01, 2,316,659.07 and 943,800.36

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Solution

The fourth proportional to 1,678,944.01, 2,316,659.07 and 943,800.36 is: 1,302,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,944.01 : 2,316,659.07 = 943,800.36 : x
  2. Step 2: Convert to fraction form
    1,678,944.01/2,316,659.07 = 943,800.36/x
  3. Step 3: Cross multiply
    1,678,944.01x = 2,316,659.07 × 943,800.36
  4. Step 4: Simplify right side
    1,678,944.01x = 2,186,463,659,544.26
  5. Step 5: Solve for x
    x = 2,186,463,659,544.26/1,678,944.01
  6. Step 6: Final answer
    x = 1,302,285.04

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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.