Home / 1,182,733.69-1,632,173.12-638,869.47

Finding the Fourth Proportional to 1,182,733.69, 1,632,173.12 and 638,869.47

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Solution

The fourth proportional to 1,182,733.69, 1,632,173.12 and 638,869.47 is: 881,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,733.69 : 1,632,173.12 = 638,869.47 : x
  2. Step 2: Convert to fraction form
    1,182,733.69/1,632,173.12 = 638,869.47/x
  3. Step 3: Cross multiply
    1,182,733.69x = 1,632,173.12 × 638,869.47
  4. Step 4: Simplify right side
    1,182,733.69x = 1,042,745,569,203.41
  5. Step 5: Solve for x
    x = 1,042,745,569,203.41/1,182,733.69
  6. Step 6: Final answer
    x = 881,640.20

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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.