Home / 559,968.60-839,952.90-280,032.60

Finding the Fourth Proportional to 559,968.60, 839,952.90 and 280,032.60

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Solution

The fourth proportional to 559,968.60, 839,952.90 and 280,032.60 is: 420,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,968.60 : 839,952.90 = 280,032.60 : x
  2. Step 2: Convert to fraction form
    559,968.60/839,952.90 = 280,032.60/x
  3. Step 3: Cross multiply
    559,968.60x = 839,952.90 × 280,032.60
  4. Step 4: Simplify right side
    559,968.60x = 235,214,194,464.54
  5. Step 5: Solve for x
    x = 235,214,194,464.54/559,968.60
  6. Step 6: Final answer
    x = 420,048.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.