Home / 656,828.80-985,243.20-603,684.70

Finding the Fourth Proportional to 656,828.80, 985,243.20 and 603,684.70

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Solution

The fourth proportional to 656,828.80, 985,243.20 and 603,684.70 is: 905,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,828.80 : 985,243.20 = 603,684.70 : x
  2. Step 2: Convert to fraction form
    656,828.80/985,243.20 = 603,684.70/x
  3. Step 3: Cross multiply
    656,828.80x = 985,243.20 × 603,684.70
  4. Step 4: Simplify right side
    656,828.80x = 594,776,245,619.04
  5. Step 5: Solve for x
    x = 594,776,245,619.04/656,828.80
  6. Step 6: Final answer
    x = 905,527.05

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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.