Home / 1,372,258.88-1,893,096.22-828,220.76

Finding the Fourth Proportional to 1,372,258.88, 1,893,096.22 and 828,220.76

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Solution

The fourth proportional to 1,372,258.88, 1,893,096.22 and 828,220.76 is: 1,142,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,258.88 : 1,893,096.22 = 828,220.76 : x
  2. Step 2: Convert to fraction form
    1,372,258.88/1,893,096.22 = 828,220.76/x
  3. Step 3: Cross multiply
    1,372,258.88x = 1,893,096.22 × 828,220.76
  4. Step 4: Simplify right side
    1,372,258.88x = 1,567,901,590,081.53
  5. Step 5: Solve for x
    x = 1,567,901,590,081.53/1,372,258.88
  6. Step 6: Final answer
    x = 1,142,569.83

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Double scale
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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.