Home / 825,728.84-1,139,596.82-463,188.04

Finding the Fourth Proportional to 825,728.84, 1,139,596.82 and 463,188.04

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Solution

The fourth proportional to 825,728.84, 1,139,596.82 and 463,188.04 is: 639,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,728.84 : 1,139,596.82 = 463,188.04 : x
  2. Step 2: Convert to fraction form
    825,728.84/1,139,596.82 = 463,188.04/x
  3. Step 3: Cross multiply
    825,728.84x = 1,139,596.82 × 463,188.04
  4. Step 4: Simplify right side
    825,728.84x = 527,847,617,446.03
  5. Step 5: Solve for x
    x = 527,847,617,446.03/825,728.84
  6. Step 6: Final answer
    x = 639,250.55

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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.