Home / 608,639.52-839,824.56-382,591.20

Finding the Fourth Proportional to 608,639.52, 839,824.56 and 382,591.20

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Solution

The fourth proportional to 608,639.52, 839,824.56 and 382,591.20 is: 527,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,639.52 : 839,824.56 = 382,591.20 : x
  2. Step 2: Convert to fraction form
    608,639.52/839,824.56 = 382,591.20/x
  3. Step 3: Cross multiply
    608,639.52x = 839,824.56 × 382,591.20
  4. Step 4: Simplify right side
    608,639.52x = 321,309,486,199.87
  5. Step 5: Solve for x
    x = 321,309,486,199.87/608,639.52
  6. Step 6: Final answer
    x = 527,914.27

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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.