Home / 981,848.89-1,354,942.92-552,119.86

Finding the Fourth Proportional to 981,848.89, 1,354,942.92 and 552,119.86

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Solution

The fourth proportional to 981,848.89, 1,354,942.92 and 552,119.86 is: 761,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,848.89 : 1,354,942.92 = 552,119.86 : x
  2. Step 2: Convert to fraction form
    981,848.89/1,354,942.92 = 552,119.86/x
  3. Step 3: Cross multiply
    981,848.89x = 1,354,942.92 × 552,119.86
  4. Step 4: Simplify right side
    981,848.89x = 748,090,895,298.39
  5. Step 5: Solve for x
    x = 748,090,895,298.39/981,848.89
  6. Step 6: Final answer
    x = 761,920.60

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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.