Home / 725,305.94-1,000,666.39-414,981.84

Finding the Fourth Proportional to 725,305.94, 1,000,666.39 and 414,981.84

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Solution

The fourth proportional to 725,305.94, 1,000,666.39 and 414,981.84 is: 572,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,305.94 : 1,000,666.39 = 414,981.84 : x
  2. Step 2: Convert to fraction form
    725,305.94/1,000,666.39 = 414,981.84/x
  3. Step 3: Cross multiply
    725,305.94x = 1,000,666.39 × 414,981.84
  4. Step 4: Simplify right side
    725,305.94x = 415,258,383,241.49
  5. Step 5: Solve for x
    x = 415,258,383,241.49/725,305.94
  6. Step 6: Final answer
    x = 572,528.59

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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.