Home / 285,839.42-393,468.36-247,059.58

Finding the Fourth Proportional to 285,839.42, 393,468.36 and 247,059.58

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Solution

The fourth proportional to 285,839.42, 393,468.36 and 247,059.58 is: 340,086.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,839.42 : 393,468.36 = 247,059.58 : x
  2. Step 2: Convert to fraction form
    285,839.42/393,468.36 = 247,059.58/x
  3. Step 3: Cross multiply
    285,839.42x = 393,468.36 × 247,059.58
  4. Step 4: Simplify right side
    285,839.42x = 97,210,127,764.89
  5. Step 5: Solve for x
    x = 97,210,127,764.89/285,839.42
  6. Step 6: Final answer
    x = 340,086.50

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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.