Home / 440,609.12-608,239.83-277,505.33

Finding the Fourth Proportional to 440,609.12, 608,239.83 and 277,505.33

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Solution

The fourth proportional to 440,609.12, 608,239.83 and 277,505.33 is: 383,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,609.12 : 608,239.83 = 277,505.33 : x
  2. Step 2: Convert to fraction form
    440,609.12/608,239.83 = 277,505.33/x
  3. Step 3: Cross multiply
    440,609.12x = 608,239.83 × 277,505.33
  4. Step 4: Simplify right side
    440,609.12x = 168,789,792,742.74
  5. Step 5: Solve for x
    x = 168,789,792,742.74/440,609.12
  6. Step 6: Final answer
    x = 383,082.84

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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.