Home / 1,165,339.36-1,608,166.56-656,205.76

Finding the Fourth Proportional to 1,165,339.36, 1,608,166.56 and 656,205.76

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Solution

The fourth proportional to 1,165,339.36, 1,608,166.56 and 656,205.76 is: 905,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,339.36 : 1,608,166.56 = 656,205.76 : x
  2. Step 2: Convert to fraction form
    1,165,339.36/1,608,166.56 = 656,205.76/x
  3. Step 3: Cross multiply
    1,165,339.36x = 1,608,166.56 × 656,205.76
  4. Step 4: Simplify right side
    1,165,339.36x = 1,055,288,159,711.39
  5. Step 5: Solve for x
    x = 1,055,288,159,711.39/1,165,339.36
  6. Step 6: Final answer
    x = 905,562.96

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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.