Home / 674,234.80-1,011,352.20-606,583.60

Finding the Fourth Proportional to 674,234.80, 1,011,352.20 and 606,583.60

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Solution

The fourth proportional to 674,234.80, 1,011,352.20 and 606,583.60 is: 909,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,234.80 : 1,011,352.20 = 606,583.60 : x
  2. Step 2: Convert to fraction form
    674,234.80/1,011,352.20 = 606,583.60/x
  3. Step 3: Cross multiply
    674,234.80x = 1,011,352.20 × 606,583.60
  4. Step 4: Simplify right side
    674,234.80x = 613,469,658,343.92
  5. Step 5: Solve for x
    x = 613,469,658,343.92/674,234.80
  6. Step 6: Final answer
    x = 909,875.40

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Double scale
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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.