Home / 917,608.05-1,376,098.34-348,851.97

Finding the Fourth Proportional to 917,608.05, 1,376,098.34 and 348,851.97

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Solution

The fourth proportional to 917,608.05, 1,376,098.34 and 348,851.97 is: 523,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,608.05 : 1,376,098.34 = 348,851.97 : x
  2. Step 2: Convert to fraction form
    917,608.05/1,376,098.34 = 348,851.97/x
  3. Step 3: Cross multiply
    917,608.05x = 1,376,098.34 × 348,851.97
  4. Step 4: Simplify right side
    917,608.05x = 480,054,615,078.47
  5. Step 5: Solve for x
    x = 480,054,615,078.47/917,608.05
  6. Step 6: Final answer
    x = 523,158.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.