Home / 884,480.31-1,220,615.78-502,571.83

Finding the Fourth Proportional to 884,480.31, 1,220,615.78 and 502,571.83

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Solution

The fourth proportional to 884,480.31, 1,220,615.78 and 502,571.83 is: 693,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,480.31 : 1,220,615.78 = 502,571.83 : x
  2. Step 2: Convert to fraction form
    884,480.31/1,220,615.78 = 502,571.83/x
  3. Step 3: Cross multiply
    884,480.31x = 1,220,615.78 × 502,571.83
  4. Step 4: Simplify right side
    884,480.31x = 613,447,103,768.62
  5. Step 5: Solve for x
    x = 613,447,103,768.62/884,480.31
  6. Step 6: Final answer
    x = 693,567.85

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Double scale
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1.5x scale

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.