Home / 923,294.82-1,274,211.30-515,476.80

Finding the Fourth Proportional to 923,294.82, 1,274,211.30 and 515,476.80

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Solution

The fourth proportional to 923,294.82, 1,274,211.30 and 515,476.80 is: 711,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,294.82 : 1,274,211.30 = 515,476.80 : x
  2. Step 2: Convert to fraction form
    923,294.82/1,274,211.30 = 515,476.80/x
  3. Step 3: Cross multiply
    923,294.82x = 1,274,211.30 × 515,476.80
  4. Step 4: Simplify right side
    923,294.82x = 656,826,363,447.84
  5. Step 5: Solve for x
    x = 656,826,363,447.84/923,294.82
  6. Step 6: Final answer
    x = 711,393.97

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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.