Home / 1,098,557.60-1,647,234.35-340,188.53

Finding the Fourth Proportional to 1,098,557.60, 1,647,234.35 and 340,188.53

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Solution

The fourth proportional to 1,098,557.60, 1,647,234.35 and 340,188.53 is: 510,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,557.60 : 1,647,234.35 = 340,188.53 : x
  2. Step 2: Convert to fraction form
    1,098,557.60/1,647,234.35 = 340,188.53/x
  3. Step 3: Cross multiply
    1,098,557.60x = 1,647,234.35 × 340,188.53
  4. Step 4: Simplify right side
    1,098,557.60x = 560,370,228,824.39
  5. Step 5: Solve for x
    x = 560,370,228,824.39/1,098,557.60
  6. Step 6: Final answer
    x = 510,096.36

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Double scale
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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.