Home / 1,207,908.14-1,666,945.05-664,057.64

Finding the Fourth Proportional to 1,207,908.14, 1,666,945.05 and 664,057.64

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Solution

The fourth proportional to 1,207,908.14, 1,666,945.05 and 664,057.64 is: 916,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,908.14 : 1,666,945.05 = 664,057.64 : x
  2. Step 2: Convert to fraction form
    1,207,908.14/1,666,945.05 = 664,057.64/x
  3. Step 3: Cross multiply
    1,207,908.14x = 1,666,945.05 × 664,057.64
  4. Step 4: Simplify right side
    1,207,908.14x = 1,106,947,587,577.96
  5. Step 5: Solve for x
    x = 1,106,947,587,577.96/1,207,908.14
  6. Step 6: Final answer
    x = 916,417.03

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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.