Home / 708,900.48-1,063,849.32-641,141.28

Finding the Fourth Proportional to 708,900.48, 1,063,849.32 and 641,141.28

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Solution

The fourth proportional to 708,900.48, 1,063,849.32 and 641,141.28 is: 962,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,900.48 : 1,063,849.32 = 641,141.28 : x
  2. Step 2: Convert to fraction form
    708,900.48/1,063,849.32 = 641,141.28/x
  3. Step 3: Cross multiply
    708,900.48x = 1,063,849.32 × 641,141.28
  4. Step 4: Simplify right side
    708,900.48x = 682,077,714,751.93
  5. Step 5: Solve for x
    x = 682,077,714,751.93/708,900.48
  6. Step 6: Final answer
    x = 962,162.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.