Home / 440,610.75-608,044.46-239,406.75

Finding the Fourth Proportional to 440,610.75, 608,044.46 and 239,406.75

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Solution

The fourth proportional to 440,610.75, 608,044.46 and 239,406.75 is: 330,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,610.75 : 608,044.46 = 239,406.75 : x
  2. Step 2: Convert to fraction form
    440,610.75/608,044.46 = 239,406.75/x
  3. Step 3: Cross multiply
    440,610.75x = 608,044.46 × 239,406.75
  4. Step 4: Simplify right side
    440,610.75x = 145,569,946,827.07
  5. Step 5: Solve for x
    x = 145,569,946,827.07/440,610.75
  6. Step 6: Final answer
    x = 330,382.20

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1.5x scale

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.