Home / 623,309.54-936,914.85-411,439.37

Finding the Fourth Proportional to 623,309.54, 936,914.85 and 411,439.37

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Solution

The fourth proportional to 623,309.54, 936,914.85 and 411,439.37 is: 618,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,309.54 : 936,914.85 = 411,439.37 : x
  2. Step 2: Convert to fraction form
    623,309.54/936,914.85 = 411,439.37/x
  3. Step 3: Cross multiply
    623,309.54x = 936,914.85 × 411,439.37
  4. Step 4: Simplify right side
    623,309.54x = 385,483,650,943.07
  5. Step 5: Solve for x
    x = 385,483,650,943.07/623,309.54
  6. Step 6: Final answer
    x = 618,446.58

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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.