Home / 641,526.50-962,289.75-198,294.50

Finding the Fourth Proportional to 641,526.50, 962,289.75 and 198,294.50

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Solution

The fourth proportional to 641,526.50, 962,289.75 and 198,294.50 is: 297,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,526.50 : 962,289.75 = 198,294.50 : x
  2. Step 2: Convert to fraction form
    641,526.50/962,289.75 = 198,294.50/x
  3. Step 3: Cross multiply
    641,526.50x = 962,289.75 × 198,294.50
  4. Step 4: Simplify right side
    641,526.50x = 190,816,764,831.38
  5. Step 5: Solve for x
    x = 190,816,764,831.38/641,526.50
  6. Step 6: Final answer
    x = 297,441.75

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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.