Home / 1,182,730.63-1,632,168.92-638,866.42

Finding the Fourth Proportional to 1,182,730.63, 1,632,168.92 and 638,866.42

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Solution

The fourth proportional to 1,182,730.63, 1,632,168.92 and 638,866.42 is: 881,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,730.63 : 1,632,168.92 = 638,866.42 : x
  2. Step 2: Convert to fraction form
    1,182,730.63/1,632,168.92 = 638,866.42/x
  3. Step 3: Cross multiply
    1,182,730.63x = 1,632,168.92 × 638,866.42
  4. Step 4: Simplify right side
    1,182,730.63x = 1,042,737,914,755.67
  5. Step 5: Solve for x
    x = 1,042,737,914,755.67/1,182,730.63
  6. Step 6: Final answer
    x = 881,636.01

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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.