Home / 922,345.44-1,272,821.04-519,936.48

Finding the Fourth Proportional to 922,345.44, 1,272,821.04 and 519,936.48

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Solution

The fourth proportional to 922,345.44, 1,272,821.04 and 519,936.48 is: 717,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,345.44 : 1,272,821.04 = 519,936.48 : x
  2. Step 2: Convert to fraction form
    922,345.44/1,272,821.04 = 519,936.48/x
  3. Step 3: Cross multiply
    922,345.44x = 1,272,821.04 × 519,936.48
  4. Step 4: Simplify right side
    922,345.44x = 661,786,091,207.54
  5. Step 5: Solve for x
    x = 661,786,091,207.54/922,345.44
  6. Step 6: Final answer
    x = 717,503.51

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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.