Home / 923,555.43-1,274,494.39-515,664.19

Finding the Fourth Proportional to 923,555.43, 1,274,494.39 and 515,664.19

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Solution

The fourth proportional to 923,555.43, 1,274,494.39 and 515,664.19 is: 711,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,555.43 : 1,274,494.39 = 515,664.19 : x
  2. Step 2: Convert to fraction form
    923,555.43/1,274,494.39 = 515,664.19/x
  3. Step 3: Cross multiply
    923,555.43x = 1,274,494.39 × 515,664.19
  4. Step 4: Simplify right side
    923,555.43x = 657,211,117,278.89
  5. Step 5: Solve for x
    x = 657,211,117,278.89/923,555.43
  6. Step 6: Final answer
    x = 711,609.82

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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.