Home / 374,664.40-561,996.60-248,693.20

Finding the Fourth Proportional to 374,664.40, 561,996.60 and 248,693.20

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Solution

The fourth proportional to 374,664.40, 561,996.60 and 248,693.20 is: 373,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,664.40 : 561,996.60 = 248,693.20 : x
  2. Step 2: Convert to fraction form
    374,664.40/561,996.60 = 248,693.20/x
  3. Step 3: Cross multiply
    374,664.40x = 561,996.60 × 248,693.20
  4. Step 4: Simplify right side
    374,664.40x = 139,764,732,843.12
  5. Step 5: Solve for x
    x = 139,764,732,843.12/374,664.40
  6. Step 6: Final answer
    x = 373,039.80

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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.