Home / 884,609.28-1,220,754.43-502,636.06

Finding the Fourth Proportional to 884,609.28, 1,220,754.43 and 502,636.06

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Solution

The fourth proportional to 884,609.28, 1,220,754.43 and 502,636.06 is: 693,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,609.28 : 1,220,754.43 = 502,636.06 : x
  2. Step 2: Convert to fraction form
    884,609.28/1,220,754.43 = 502,636.06/x
  3. Step 3: Cross multiply
    884,609.28x = 1,220,754.43 × 502,636.06
  4. Step 4: Simplify right side
    884,609.28x = 613,595,188,305.79
  5. Step 5: Solve for x
    x = 613,595,188,305.79/884,609.28
  6. Step 6: Final answer
    x = 693,634.13

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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.