Home / 623,812.60-936,048.57-442,614.43

Finding the Fourth Proportional to 623,812.60, 936,048.57 and 442,614.43

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Solution

The fourth proportional to 623,812.60, 936,048.57 and 442,614.43 is: 664,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,812.60 : 936,048.57 = 442,614.43 : x
  2. Step 2: Convert to fraction form
    623,812.60/936,048.57 = 442,614.43/x
  3. Step 3: Cross multiply
    623,812.60x = 936,048.57 × 442,614.43
  4. Step 4: Simplify right side
    623,812.60x = 414,308,604,262.87
  5. Step 5: Solve for x
    x = 414,308,604,262.87/623,812.60
  6. Step 6: Final answer
    x = 664,155.56

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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.