Home / 440,110.40-660,384.30-173,879.60

Finding the Fourth Proportional to 440,110.40, 660,384.30 and 173,879.60

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Solution

The fourth proportional to 440,110.40, 660,384.30 and 173,879.60 is: 260,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,110.40 : 660,384.30 = 173,879.60 : x
  2. Step 2: Convert to fraction form
    440,110.40/660,384.30 = 173,879.60/x
  3. Step 3: Cross multiply
    440,110.40x = 660,384.30 × 173,879.60
  4. Step 4: Simplify right side
    440,110.40x = 114,827,357,930.28
  5. Step 5: Solve for x
    x = 114,827,357,930.28/440,110.40
  6. Step 6: Final answer
    x = 260,905.80

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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.