Home / 945,529.94-1,304,829.42-515,809.91

Finding the Fourth Proportional to 945,529.94, 1,304,829.42 and 515,809.91

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Solution

The fourth proportional to 945,529.94, 1,304,829.42 and 515,809.91 is: 711,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,529.94 : 1,304,829.42 = 515,809.91 : x
  2. Step 2: Convert to fraction form
    945,529.94/1,304,829.42 = 515,809.91/x
  3. Step 3: Cross multiply
    945,529.94x = 1,304,829.42 × 515,809.91
  4. Step 4: Simplify right side
    945,529.94x = 673,043,945,695.55
  5. Step 5: Solve for x
    x = 673,043,945,695.55/945,529.94
  6. Step 6: Final answer
    x = 711,816.64

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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.