Home / 883,629.52-1,219,350.64-521,035.84

Finding the Fourth Proportional to 883,629.52, 1,219,350.64 and 521,035.84

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Solution

The fourth proportional to 883,629.52, 1,219,350.64 and 521,035.84 is: 718,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,629.52 : 1,219,350.64 = 521,035.84 : x
  2. Step 2: Convert to fraction form
    883,629.52/1,219,350.64 = 521,035.84/x
  3. Step 3: Cross multiply
    883,629.52x = 1,219,350.64 × 521,035.84
  4. Step 4: Simplify right side
    883,629.52x = 635,325,384,966.94
  5. Step 5: Solve for x
    x = 635,325,384,966.94/883,629.52
  6. Step 6: Final answer
    x = 718,995.20

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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.