Home / 461,150.08-687,140.89-410,843.62

Finding the Fourth Proportional to 461,150.08, 687,140.89 and 410,843.62

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Solution

The fourth proportional to 461,150.08, 687,140.89 and 410,843.62 is: 612,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,150.08 : 687,140.89 = 410,843.62 : x
  2. Step 2: Convert to fraction form
    461,150.08/687,140.89 = 410,843.62/x
  3. Step 3: Cross multiply
    461,150.08x = 687,140.89 × 410,843.62
  4. Step 4: Simplify right side
    461,150.08x = 282,307,450,697.62
  5. Step 5: Solve for x
    x = 282,307,450,697.62/461,150.08
  6. Step 6: Final answer
    x = 612,181.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.