Home / 588,560.28-812,157.03-330,378.12

Finding the Fourth Proportional to 588,560.28, 812,157.03 and 330,378.12

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Solution

The fourth proportional to 588,560.28, 812,157.03 and 330,378.12 is: 455,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,560.28 : 812,157.03 = 330,378.12 : x
  2. Step 2: Convert to fraction form
    588,560.28/812,157.03 = 330,378.12/x
  3. Step 3: Cross multiply
    588,560.28x = 812,157.03 × 330,378.12
  4. Step 4: Simplify right side
    588,560.28x = 268,318,912,716.18
  5. Step 5: Solve for x
    x = 268,318,912,716.18/588,560.28
  6. Step 6: Final answer
    x = 455,890.28

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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.