Home / 1,165,699.36-1,608,663.26-656,405.38

Finding the Fourth Proportional to 1,165,699.36, 1,608,663.26 and 656,405.38

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Solution

The fourth proportional to 1,165,699.36, 1,608,663.26 and 656,405.38 is: 905,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,699.36 : 1,608,663.26 = 656,405.38 : x
  2. Step 2: Convert to fraction form
    1,165,699.36/1,608,663.26 = 656,405.38/x
  3. Step 3: Cross multiply
    1,165,699.36x = 1,608,663.26 × 656,405.38
  4. Step 4: Simplify right side
    1,165,699.36x = 1,055,935,218,472.34
  5. Step 5: Solve for x
    x = 1,055,935,218,472.34/1,165,699.36
  6. Step 6: Final answer
    x = 905,838.38

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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.